3 years & up. Magna-Tiles® Metropolis allows you to create spinning windmills, houses, cars, skyscrapers, and more with all new shapes and spinners. Tiles are designed with magnets on all sides that cause them to attract even when they are flipped. Ideal for teaching spatial relationships, math, logic, and problem-solving through creative building. Includes 110 Magnetic building tiles with 3 new shapes: A spinner, windows, and quarter circles.