Modern Numbers Constructibles (25 pc)

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Design structures from zany to ordered, simple to complex with this Modern Numbers Constructibles set of 25 interlocking slotted card pieces in 5 basic shapes--all in a well-constructed, sturdy box. In addition to being fun and a creative outlet, Constructibles Building Sets improve hand-eye coordination, develop fine motor skills, and reinforce principles of balance and spatial relationships. Features include: •Pieces and packaging greyboard made of 100% recycled paper •5 basic shapes, 25 pieces total •CE and ASTM tested to ensure safety •Printed with nontoxic inks •3" high interlocking pieces Sustainable Materials: 100% recycled paper