This item includes a large wooden box containing a cylinder, cube, ellipsoid, cone, sphere, square-based pyramid, triangular-based pyramid, ovoid, rectangular prism and triangular prism painted in glossy blue. As well as five wooden plane figures and three wooden stands for the curved solids.
1. The purpose of this material is to develop the child's stereognostic sense, which creates a mental picture through touch.
2. To help make the child more awake of the basic shapes found in the cultural environment. Indirectly, to prepare the child for later work in Mathehmatics, especially geometry, by identifying solid shapes and exploring the relationships between their plane and curved surfaces
