310 piece set contains 30 hexagons, 80 squares, 160 equilateral triangles and 40 pentagons in 4 colours and a guide.,Pieces are lightweight and easy to connect.,See inside of the shape, and explore the space within.,Polydron Frameworks is ideal for investigating and understanding shapes, angles, edges, vertices, planes and tangents.,Polydron Frameworks is also great for building larger shapes and models.,Fully compatible with the Original Polydron range.