Wobble Run. An unique ball run that wobbles as the balls roll. Encourages fine motor skills, sensory exploration, cause-effect learning and experimentation. Tracks feature textures that make the balls clitter clatter as they roll . The tracks slide onto the tower in any order. Weight of balls sends the tower teetering around and around as they roll. For easy storage, the balls store inside tower. Chunky design is perfect for small hands. Includes tower with wobbly base, 3 tracks, 3 balls High-quality materials and construction - Lasting durability and safety. Suitable for ages 1-2 years