Discover the triangle. From small to large, from hexagon to star. What other geometric forms can be created with the triangles? One form provides the basus for so many other forms. Have fun exploring the symmetry of the triangle. You can also create and build animals and, of course, structures for playing with whatever play scene you can imagine. 72 pieces in a wooden frame. Recommended for ages 3+. Size: Diameter 28cm and a single block is 4cm thickness. Made from lime wood, non-toxic water based colour stain/non-toxic plant based oil finish.