Polydron® Sphera 196-Piece Class Set

Product Description

Polydron® Sphera - an exciting addition to the world’s best geometric construction system. With this set you can construct spheres, hemispheres, cylinders, and cones. Build over 16 different spherical models at once. Includes 36 spheres, 12 cylinders, 72 circles, 16 cones, 20 squares, and 40 right-angle triangles.