Advanced Geometic Solids Set of 12 folding 2D 3D geosolids including cube, cylinder, cone, triangular prism, square pyramid, triangular pyramid, hexagonal pyramid, rectangular prism, pentagonal prism, and hexagonal prism. Ideal for exploring the properties of 3D solids, relationships between 2D shapes and 3D solids, volume and capacity, and surface area. Set includes 12 solids made of durable plastic with rounded corners and edges and 12 corresponding folding nets in 5 colour made from soft plastic. The solids have an 8cm base. Activity guide included.