Modern Numbers

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.

⋅ 25 3" high interlocking pieces
⋅ 5 basic shapes
⋅ Box: 6-1/2 x 5-3/4 x 2-3/8 inches
⋅ CE and ASTM tested to ensure safety
⋅ Pieces and packaging greyboard made of 100% recycled paper
⋅ Printed with nontoxic inks
⋅ ISBN 9780735326705