The Polydron Sphera Class Set offers an engaging way to explore spheres, cylinders, and cones with over 16 different models to build. Ideal for classrooms, this set includes 20 squares, 36 spheres, 72 quadrants, 16 cones, 12 cylinders, and 40 right angle triangles. Each square measures 73mm per side and is accompanied by a comprehensive Exploring Booklet with clear instructions. Suitable for ages 8 and up, it provides hands-on learning opportunities that promote understanding of geometric shapes and spatial concepts.