Hands-on lessons in symmetry, perimeter, area and volume with these transparent geometric shapes plus their matching fold-up net inserts: cylinder, square pyramid, cube, rectangular prism, cone, hexagonal prism, triangular pyramid and triangular prism. Features 16 pieces – 8 transparent and 8 folding shapes. Size: 26.9 x 26.9 x 9.1 cm. Ages 7+.