Whether you see igloos, windows or glass houses, the ICE set is a cool addition to every Magna-Tiles collection! 16 clear and colorless shapes including squares (4 small) and triangles (4 equilateral, 4 right, 4 isosceles) Sparks hours of imaginative free play in children. Anything they can dream, they can create! Develops math, science, spatial and tactile skills. STEM approved! Safe, durable and built to last for years