Montessori Geometric Solids with Wooden BoxMontessori Geometric Solids with Wooden Box The Montessori Geometric Solids with Wooden Box is a quintessential learning tool that introduces children to the world of three dimensional shapes. This set includes a variety of geometric solids, such as spheres, cubes, and pyramids, each crafted from high quality, child safe wood. Housed in a beautifully finished wooden box, these solids help children understand the properties and relationships of