Multi-layer interpenetrating type core-changing education and intelligence-promoting writing kit
A set and card insertion technology is applied in the field of multi-layer interspersed core-changing educational puzzle writing sets, which can solve the problems of high cumulative cost, poor training effect, and high single-piece cost, so as to improve learning discrimination ability and improve training effect. , the effect of improving attention
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[0041] Embodiment one: see Figure 1-24 , a multi-layer interspersed core-changing educational puzzle writing set, including a card writing board, a variety of plastic puzzle cards of the same size, and a magnetic identification block;
[0042]The card writing board includes a frame assembly and a whiteboard installed in the frame assembly. The frame assembly includes a square upper frame and a square lower frame with matching sizes. The outer edge of the inner surface of the upper frame is provided with a circle of convex edges. The outer surface of the upper frame There is a door-shaped boss on the top, and a card slot is provided between the bottom surface of the boss and the outer surface of the upper frame, and content cards, function cards, etc. can be inserted into the card slot for students to learn and play. The outer edge of the inner surface of the frame is provided with an outer convex edge B having the same size as the outer convex edge A, and a circle of inner co...
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