Beyond building blocks: Trido is the magnetic art shape with unlimited potential for creativity; one box of geometric shapes inspired by ancient Greece will offer you the potential for thousands of characters, objects, and abstract shapes.3D for the win: The magical Trido 3D shapes magnetic squares for kids, including Tetrahedrons and Octahedrons, allow you to learn a new way of building and designing. TRIDO takes the concept of classical building blocks to a new level where new shapes and magnetic features allow you to expand your vision of objects and space