POLYDRON Related Attribute Blocks SI-39190

Description

Desk-top blocks made of top-quality polystyrene plastic. With the attributes of size, shape, color and thickness, they assist in the development of problem solving using logic. The related sizes make them useful for demonstrating fractions and their relationships. Set contains 60 pieces in 5 shapes, 2 thicknesses, 2 sizes and 3 colors, plus a storage tray, and a teacher’s guide from the SI Resource Series. Related Categories: Geometry