Material that approaches the idea of the round in various formats and colours. Two half spheres that can be turned into a sphere, a sphere that results from joining two half spheres, two discs that are slightly curved but do not become a circumference. Aside it can be an ideal material for diverse constructions and creations of Small Worlds and a perfect material for the ma- thematical logic and the work of the geometry. This kit contains:12 discs in 6 colors,12 half spheres in 6 colors,6 spheres in 6 colors. Recommended age: +10 months