Fantastic ball run construction set using magnetism to hold your structure together. Design your own mazes from chutes, funnels, cross bars and tubes. Also includes 24 metal balls that can be used for construction or rolling. Children will love using their imagination to design with this open-ended magnetic construction set. Create pathways for the ball with the slide, design different twists and turns. Age range; these items are suitable for children aged 3 years and up