Get ready to spin, spin, spin! This deluxe Quadrilla set features a xylophone rail that plays a tune as marbles run over it, two double-sided spiral twists, plus four special control blocks to randomly distribute marbles. It's a dizzying marble run that's full of spirals, twists and turns, with a distributor block to choose the marble's directions. You can also play a tune with the unique xylophone bridge. Dimensions: H:48.0 x W:52.5 x D:9.0 cm. Weight: 4.6 kg. Colour: Multi. Guarantee:12 Months. Model Number: E6024. It provides quality time for the whole family to play together and enhances parent-child interaction and bonding. This is a perfect racing toy that will encourage children’s spatial thinking, problem-solving capabilities and teamwork skills, but also aid their STEAM development. This product is manufactured with high-quality materials and finished with non-toxic child-safe paints making it extremely durable. Suitable for children aged four years and above.