CN113066323A - Building block construction teaching aid - Google Patents
Building block construction teaching aid Download PDFInfo
- Publication number
- CN113066323A CN113066323A CN202110338612.1A CN202110338612A CN113066323A CN 113066323 A CN113066323 A CN 113066323A CN 202110338612 A CN202110338612 A CN 202110338612A CN 113066323 A CN113066323 A CN 113066323A
- Authority
- CN
- China
- Prior art keywords
- teaching aid
- side wall
- display
- base
- building blocks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 239000006260 foam Substances 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 description 25
- 229920000297 Rayon Polymers 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000034656 Contusions Diseases 0.000 description 2
- 208000034526 bruise Diseases 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/14—Building blocks, strips, or similar building parts specially adapted to be assembled by adhesive or cement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/22—Games, e.g. card games
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Multimedia (AREA)
- Toys (AREA)
Abstract
The invention discloses a building block construction teaching aid which comprises a teaching aid chamber and a driving assembly, wherein the teaching aid chamber comprises a base, a base plate, a side wall, a door plate, building blocks, a foam layer, a display and a sound box, and the driving assembly comprises a turntable, a rotating shaft, a rotating motor, a driving wheel and a driven wheel. Rotate through rotating the motor and drive the action wheel and rotate, the action wheel drives from the driving wheel rotation to make the pivot rotate and drive the carousel and rotate, make the building blocks of placing slowly rotate on the carousel, child plays the video of splicing the building blocks through observing the display, the instruction step of broadcast is sounded to the listening, take off the building blocks from the carousel and follow the step concatenation, child's understanding of being convenient for, the carousel is rotatory to child with the building blocks of long distance, prevent that child from picking up building blocks and missing the concatenation video explanation far away. The problem of traditional building blocks teaching aid all be supporting description and splice, child is difficult to understand some instructions of description, can't splice is solved.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to a building block construction teaching aid.
Background
The building block teaching aid has a great effect on the intelligence development of children, is a method for improving the hand-eye coordination ability of the children, has a plurality of playing methods of building block toys, and can be arranged, connected, annular and symmetrical in various modes, thereby being helpful to the intelligence of the children. However, the traditional building block teaching aids are spliced by matching specifications, and children cannot understand certain instructions of the specifications and cannot splice the instructions.
Disclosure of Invention
The invention aims to provide a building block construction teaching aid, and aims to solve the problems that the traditional building block teaching aids are spliced by matching specifications, and children cannot understand certain instructions of the specifications and cannot splice the specifications.
In order to achieve the purpose, the invention provides a building block construction teaching aid which comprises a teaching aid chamber and a driving assembly, wherein the teaching aid chamber comprises a base, a base plate, a side wall, a door plate, building blocks, a foam layer, a display and a sound box, the side wall is fixedly connected with the base and is positioned on one side of the base, the door plate is slidably connected with the side wall and is positioned on one side of the side wall, the base plate is fixedly connected with the base and is positioned in the side wall, the foam layer is fixedly connected with the base plate and is fixedly connected with the side wall and is positioned on one side of the base plate and the side wall, the display is detachably connected with the side wall and is positioned in the side wall, the sound box is fixedly connected with the side wall and is positioned on one side of the display, the building blocks are positioned on one side of the foam layer, and the driving assembly comprises a rotary disc, Rotate motor, action wheel and follow the driving wheel, the carousel with the base plate rotates to be connected, and is located the base plate is kept away from base one side, the pivot with carousel fixed connection, and with the base rotates to be connected, and is located in the base, from the driving wheel with pivot fixed connection, and be located the pivot is close to base one side, the action wheel with rotate from the driving wheel and connect, and be located from driving wheel one side, rotate the motor with action wheel fixed connection, and be located the action wheel is kept away from driving wheel one side.
The driving assembly further comprises a speed reducing motor, and the speed reducing motor is fixedly connected with the rotating motor and is located between the rotating motor and the driving wheel.
Wherein, the teaching aid room still includes the connector, the connector with side wall fixed connection, and with the display is dismantled and is connected, and is located the display with between the side wall.
The display comprises a shell, a display screen and a circuit board, wherein the shell is detachably connected with the connector and is located on one side of the side wall, the circuit board is fixedly connected with the shell and is located in the shell, the display screen is fixedly connected with the shell and is located on one side of the connector, and the shell is located on one side of the connector.
Wherein, the teaching aid room still includes the cable, the cable with the display is dismantled and is connected, and is located display one side.
The teaching aid room further comprises a handle, the handle is fixedly connected with the door plate and located on one side of the side wall, and the door plate is far away from the side wall.
The door plate is provided with a clamping groove, the clamping groove is located on one side of the door plate, the teaching aid room further comprises a sliding block, the sliding block is connected with the side wall in a sliding mode and located on one side of the door plate, and the side wall is close to one side of the door plate and corresponds to the clamping groove.
The sliding block is provided with anti-slip lines, and the anti-slip lines are located on one side, far away from the side wall, of the sliding block.
Wherein, the teaching aid room still includes the viscose layer, the viscose layer with foam blanket fixed connection, and with the side wall with base plate fixed connection, and be located the foam blanket the base plate with between the side wall.
According to the building block construction teaching aid, the base provides supporting and mounting conditions, the base plate and the side walls enclose the closed teaching aid chamber, a teacher or a parent slides the door plate by hands, the teaching aid chamber is opened to allow a child to enter the teaching aid chamber, and the foam layer prevents the child from being accidentally dropped and bruised in the teaching aid chamber, so that the safety of the child is protected. Through it rotates to rotate the motor and drives the action wheel rotates, the action wheel drives from the driving wheel rotation, thereby makes the pivot rotates and drives the carousel rotates, the carousel rotates and makes the building blocks of placing on it slowly rotate, child is through observing the video of display broadcast concatenation building blocks listens the instruction step of stereo set broadcast, follow take off the building blocks on the carousel and be in follow step concatenation on the foam layer, through the display with stereo set broadcast teaching video and concatenation step, the child's understanding study of being convenient for more in traditional description, the carousel is rotatory to child with the building blocks of remote department, prevents that child from picking up remote building blocks and missing the concatenation video explanation of display broadcast. The problem of traditional building blocks teaching aid all be supporting description and splice, child is difficult to understand some instructions of description, can't splice is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a building block construction teaching aid according to the present invention;
FIG. 2 is a top view of a building block construction teaching aid of the present invention
FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2;
fig. 4 is a partially enlarged view B of fig. 1.
In the figure: 1-a teaching aid room, 2-a driving component, 11-a base, 12-a base plate, 13-side walls, 14-a door panel, 15-building blocks, 16-a foam layer, 17-a display, 18-a connector, 19-a sound, 21-a turntable, 22-a rotating shaft, 23-a rotating motor, 24-a reducing motor, 25-a driving wheel, 26-a driven wheel, 131-a sliding block, 132-an anti-skid pattern, 141-a handle, 142-a clamping groove, 161-an adhesive layer, 171-a cable, 172-a shell, 173-a display screen and 174-a circuit board.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4, the present invention provides a building block construction teaching aid: including teaching aid room 1 and drive assembly 2, teaching aid room 1 includes base 11, base plate 12, side wall 13, door plant 14, building blocks 15, foam layer 16, display 17 and stereo set 19, side wall 13 with base 11 fixed connection, and be located base 11 one side, door plant 14 with side wall 13 sliding connection, and be located side wall 13 one side, base plate 12 with base 11 fixed connection, and be located in side wall 13, foam layer 16 with base plate 12 fixed connection, and with side wall 13 fixed connection, and be located base plate 12 with side wall 13 one side, display 17 with side wall 13 dismantles and connects, and is located in side wall 13, stereo set 19 with side wall 13 fixed connection, and be located display 17 one side, building blocks 15 place in foam layer 16 one side, drive assembly 2 includes carousel 21, and, Pivot 22, rotation motor 23, action wheel 25 and follow driving wheel 26, carousel 21 with base plate 12 rotates to be connected, and is located base plate 12 keeps away from base 11 one side, pivot 22 with carousel 21 fixed connection, and with base 11 rotates to be connected, and is located in base 11, follow driving wheel 26 with pivot 22 fixed connection, and be located pivot 22 is close to base 11 one side, action wheel 25 with rotate from driving wheel 26 to be connected, and is located follow driving wheel 26 one side, rotate motor 23 with action wheel 25 fixed connection, and be located action wheel 25 keeps away from follow driving wheel 26 one side.
In this embodiment, through base 11 provides support and installation condition, base plate 12 with side wall 13 encloses into a confined teaching aid room 1, mr or head of a family utilize the hand to slide door plant 14 opens teaching aid room 1 lets child get into wherein, foam layer 16 prevents that child is in carelessly fall into the bruise in teaching aid room 1, protection child's safety. Through the rotation motor 23 rotates the drive the action wheel 25 rotates, the action wheel 25 drives from the driving wheel 26 rotation, thereby make pivot 22 rotates the drive carousel 21 rotates, carousel 21 rotates and makes place on it building blocks 15 slowly rotate, child is through observing display 17 broadcast concatenation building blocks 15's video, listen the instruction step of stereo set 19 broadcast, follow take off on the carousel 21 building blocks 15 are in follow step concatenation on the foam layer 16, through display 17 with stereo set 19 broadcast teaching video and concatenation step, the understanding study of child is more convenient for than traditional description, carousel 21 will be far away building blocks 15 rotates to the front of child, prevents that child from picking up far away building blocks 15 and miss the video concatenation explanation of display 17 broadcast. The problem of traditional building blocks teaching aid all be supporting description and splice, child is difficult to understand some instructions of description, can't splice is solved.
Further, the driving assembly 2 further includes a speed reduction motor 24, and the speed reduction motor 24 is fixedly connected to the rotating motor 23 and is located between the rotating motor 23 and the driving wheel 25.
In this embodiment, the speed of the rotation motor 23 is reduced by the reduction motor 24, so that the building blocks 15 are prevented from being thrown out by the rotating disc 21 too fast to hurt children, and the safety is enhanced.
Further, teaching aid room 1 still includes connector 18, connector 18 with side wall 13 fixed connection, and with display 17 dismantles the connection, and is located display 17 with between the side wall 13.
In this embodiment, the mounting and fixing of the display 17 is facilitated by the connection head 18.
Further, display 17 includes shell 172, display screen 173 and circuit board 174, shell 172 with connector 18 is dismantled and is connected, and is located connector 18 is kept away from side wall 13 one side, circuit board 174 with shell 172 fixed connection, and be located in the shell 172, display screen 173 with shell 172 fixed connection, and be located shell 172 is kept away from connector 18 one side.
In this embodiment, the housing 172 is detachably connected to the connector 18, the circuit board 174 transmits an electrical signal to the display screen 173, and the display screen 173 receives the electrical signal to present a picture, so as to play a teaching video spliced by the building blocks 15.
Further, teaching aid room 1 still includes cable 171, cable 171 with display 17 is dismantled and is connected, and is located display 17 one side.
In this embodiment, a power source is connected to the cable 171 to supply power to the display 17.
Further, the teaching aid room 1 further comprises a handle 141, wherein the handle 141 is fixedly connected with the door plate 14 and is located at a position where the door plate 14 is far away from one side of the side wall 13.
In the present embodiment, the handle 141 facilitates sliding of the door panel 14 by a teacher or a parent.
Further, the door panel 14 has a clamping groove 142, the clamping groove 142 is located on one side of the door panel 14, the teaching aid room 1 further includes a sliding block 131, the sliding block 131 is connected with the side wall 13 in a sliding manner, and is located on one side of the side wall 13 close to the door panel 14, and corresponds to the clamping groove 142.
In this embodiment, the locking slot 142 and the sliding block 131 are matched with each other to fix the door panel 14 and the side wall 13, so that the child is prevented from opening the door panel 14 from the inside and running out when the teacher and the parents do not pay attention to the door panel.
Further, the sliding block 131 has anti-slip patterns 132, and the anti-slip patterns 132 are located on one side of the sliding block 131, which is far away from the side wall 13.
In this embodiment, the friction between the slider 131 and the hand is increased by the anti-slip pattern 132, so that the slider 131 is easily slid, and the practicability is improved.
Further, teaching aid room 1 still includes viscose layer 161, viscose layer 161 with 16 fixed connection on foam layer, and with side wall 13 with base plate 12 fixed connection, and be located foam layer 16 base plate 12 with between the side wall 13.
In this embodiment, the adhesive layer 161 is used to fixedly connect the foam layer 16, the substrate 12 and the sidewall 13, so as to prevent the foam layer 16 from falling off.
The working principle and the using process of the invention are as follows: after the teaching aid is installed, the teaching aid comprises a teaching aid room 1 and a driving assembly 2, wherein the teaching aid room 1 comprises a base 11, a base plate 12, a side wall 13, a door plate 14, building blocks 15, a foam layer 16, a display 17, a connector 18, a sound box 19, a cable 171, a handle 141, a clamping groove 142, a sliding block 131, anti-skid patterns 132 and an adhesive layer 161, the display 17 comprises a shell 172, a display screen 173 and a circuit board 174, and the driving assembly 2 comprises a rotary disc 21, a rotary shaft 22, a rotary motor 23, a speed reduction motor 24, a driving wheel 25 and a driven wheel 26. Through base 11 provides support and installation condition, base plate 12 with side wall 13 encloses into a confined teaching aid room 1, mr or the head of a family utilize the hand to hold handle 141 slides door plant 14 opens teaching aid room 1 lets child get into wherein, and the hand that recycles slides door plant 14 will teaching aid room 1 is closed, through draw-in groove 142 with slider 131 mutually supports, will door plant 14 with side wall 13 is fixed, prevents that child from opening from inside when mr and head of a family are not noticed the door plant 14 runs out. Foam layer 16 prevents that child from being in the bruise is fallen into carelessly in teaching aid room 1, protects child's safety, viscose layer 161 will foam layer 16 base plate 12 with side wall 13 fixed connection prevents foam layer 16 drops. Connector 18 is convenient for display 17's installation and fixed, through rotate motor 23 with gear motor 24's rotation drives action wheel 25 rotates, action wheel 25 drives from driving wheel 26 rotates, thereby makes pivot 22 rotates the drive carousel 21 rotates, carousel 21 rotates and makes building blocks 15 placed on it rotate slowly, through gear motor 24 will the rotational speed that rotates motor 23 reduces, prevents carousel 21 rotates too soon will building blocks 15 throws out the accidental injury child, strengthens the security. The display 17 passes through the shell 172 with connector 18 is dismantled and is connected, circuit board 174 transmits the signal of telecommunication for display screen 173, through display screen 173 receives the signal of telecommunication and presents the picture, plays the teaching video of building blocks 15 concatenation, through cable 171 connect the power right display 17 provides the electric energy. The children listen to the guiding step of the playing of the sound 19 by observing the video of the spliced building block 15 played by the display 17, take off the building block 15 on the turntable 21 and splice the building block 15 on the foam layer 16 along with the step, and through the display 17 and the step of playing teaching video and splicing the sound 19, the children can understand and learn more conveniently than the traditional specification, the turntable 21 rotates the remote building block 15 to the front of the children, so that the children are prevented from picking up the remote building block 15 and missing the explanation of the spliced video played by the display 17. The problem of traditional building blocks teaching aid all be supporting description and splice, child is difficult to understand some instructions of description, can't splice is solved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A building block construction teaching aid, which is characterized in that,
the teaching aid comprises a teaching aid room and a driving component, wherein the teaching aid room comprises a base, a base plate, a side wall, a door plate, building blocks, a foam layer, a display and a sound, the side wall is fixedly connected with the base and positioned on one side of the base, the door plate is slidably connected with the side wall and positioned on one side of the side wall, the base plate is fixedly connected with the base and positioned in the side wall, the foam layer is fixedly connected with the base plate and fixedly connected with the side wall and positioned on one side of the base plate and the side wall, the display is detachably connected with the side wall and positioned in the side wall, the sound is fixedly connected with the side wall and positioned on one side of the display, the building blocks are positioned on one side of the foam layer, the driving component comprises a rotary disc, a rotary shaft, a rotary motor, a driving wheel and a driven wheel, the rotary disc is rotatably connected with, and is located the base plate is kept away from base one side, the pivot with carousel fixed connection, and with the base rotates to be connected, and is located in the base, from the driving wheel with pivot fixed connection, and be located the pivot is close to base one side, the action wheel with rotate from the driving wheel and connect, and be located from driving wheel one side, rotate the motor with action wheel fixed connection, and be located the action wheel is kept away from driving wheel one side.
2. A building block construction teaching aid as claimed in claim 1,
the driving assembly further comprises a speed reducing motor, and the speed reducing motor is fixedly connected with the rotating motor and is located between the rotating motor and the driving wheel.
3. A building block construction teaching aid as claimed in claim 1,
the teaching aid room still includes the connector, the connector with side wall fixed connection, and with the display is dismantled and is connected, and is located the display with between the side wall.
4. A building block construction teaching aid as claimed in claim 3,
the display includes shell, display screen and circuit board, the shell with the connector is dismantled and is connected, and is located the connector is kept away from side wall one side, the circuit board with shell fixed connection, and be located in the shell, the display screen with shell fixed connection, and be located the shell is kept away from connector one side.
5. A building block construction teaching aid as claimed in claim 1,
the teaching aid room still includes the cable, the cable with the display is dismantled and is connected, and is located display one side.
6. A building block construction teaching aid as claimed in claim 1,
the teaching aid room further comprises a handle, the handle is fixedly connected with the door plate and is located on one side, far away from the side wall, of the door plate.
7. A building block construction teaching aid as claimed in claim 1,
the door plant has the draw-in groove, the draw-in groove is located door plant one side, the teaching aid room still includes the slider, the slider with side wall sliding connection, and be located the side wall is close to door plant one side, and with the draw-in groove is corresponding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110338612.1A CN113066323A (en) | 2021-03-30 | 2021-03-30 | Building block construction teaching aid |
Applications Claiming Priority (1)
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CN202110338612.1A CN113066323A (en) | 2021-03-30 | 2021-03-30 | Building block construction teaching aid |
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CN202110338612.1A Pending CN113066323A (en) | 2021-03-30 | 2021-03-30 | Building block construction teaching aid |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN208865189U (en) * | 2018-09-20 | 2019-05-17 | 常州市丰瑞泡沫制品有限公司 | A kind of foam block toy with storage function |
CN209286679U (en) * | 2018-12-26 | 2019-08-23 | 南京霍格教育科技有限公司 | A kind of wooden outdoor educational toy of modular |
CN209413357U (en) * | 2018-11-12 | 2019-09-20 | 建阳隆圣工艺有限公司 | A kind of entertainment for children room |
CN209885250U (en) * | 2018-08-29 | 2020-01-03 | 王岳丰 | Building blocks toy show rotary disk |
CN210489018U (en) * | 2019-08-08 | 2020-05-08 | 中天科普(深圳)科技有限公司 | Earthquake safety experience cabin used in science and technology museum |
CN211427539U (en) * | 2019-11-15 | 2020-09-04 | 陕西学考乐信息科技有限公司 | Teaching aid for education and science and technology |
-
2021
- 2021-03-30 CN CN202110338612.1A patent/CN113066323A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN209885250U (en) * | 2018-08-29 | 2020-01-03 | 王岳丰 | Building blocks toy show rotary disk |
CN208865189U (en) * | 2018-09-20 | 2019-05-17 | 常州市丰瑞泡沫制品有限公司 | A kind of foam block toy with storage function |
CN209413357U (en) * | 2018-11-12 | 2019-09-20 | 建阳隆圣工艺有限公司 | A kind of entertainment for children room |
CN209286679U (en) * | 2018-12-26 | 2019-08-23 | 南京霍格教育科技有限公司 | A kind of wooden outdoor educational toy of modular |
CN210489018U (en) * | 2019-08-08 | 2020-05-08 | 中天科普(深圳)科技有限公司 | Earthquake safety experience cabin used in science and technology museum |
CN211427539U (en) * | 2019-11-15 | 2020-09-04 | 陕西学考乐信息科技有限公司 | Teaching aid for education and science and technology |
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Application publication date: 20210702 |
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