It just got easier to teach shapes, sizes and relationships with these colorful plastic geometric pieces. Set of 32 includes 4 sizes of 8 shapes: triangular prism, cube, cone, cylinder, rectangular prism, hexagonal prism, triangular pyramid and square pyramid. Perfect for individual or small-group use. Includes Activity Guide. Each shape measures 1/2"–1 3/4". Grades K+ . Set of 32.