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 tiles made with food-grade ABS (BPA FREE) plastic free of phthalates and latex. Ages 3 years and up.