Large Geometric Shapes add a tactile element to geometry lessons. Each shape has a 4cm x 8 cm dimension set of 12 shapes, allowing you to illustrate surface area, volume, shape, form and size. Opaque plastic shapes include: cone, sphere, cube, cylinder, rectangular prism, hexagonal prism, triangular prism and square pyramid and many more. Teaching geometry area and measuring facts is easy with activities using 3D geometric shapes. Introduce students to solid geometry and investigate shapes, faces, vertices, edges, curves, and angles with this 12-piece set of plastic Shapes.