Polydron Sphera Class SetDiscover the joy of geometry and creative construction with the Polydron Sphera Class Set, a trusted tool for teaching three dimensional design and mathematical concepts. This 196 piece set features vibrantly coloured plastic shapes spheres, quadrants, cones, cylinders, squares, and right angled triangles connected by unique clip hinges that ensure secure assembly and durability. Designed for collaborative learning, it allows students to investigate