Children can design their own combinations of this Marble run game using the 50 colourful pieces provided, build towers and bridges with spinners, chutes, ramps and more! This marble run is a game with a difference, build it different every time and make it personal to you. Easy to build and easy to tidy away, the Marble run introduces kids to creative construction and key physics concepts like gravity and speed. Suitable for 3 years and over.