Set includes a box with 10 bolts fixed to the base. It also includes 3 rhombuses and 4 equilateral triangles that can be fixed on the base using nuts.Create interesting patterns using the shapes provided. Since equilateral triangles are one of the fundamental shapes to create amazing number of patterns, this toy provides ample opportunities to be creative. With the added twist of having to bolt the patterns on the board, it keeps the child engaged for long periods of time.
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