Three uniquely textured tracks slide onto the tower in any order you want. Drop one of the balls onto the top and send it rolling with a light clatter. Wonder abounds as its weight tips the tower this way and that atop the wobbly base! Then, once it's time to go, all the balls can be stored inside the tower for easy clean-up. Classic ball-run fun becomes a topsy-turvy delight with Wobble Run! Wobble Run Unique ball run that wobbles as the balls roll Encourages fine motor skills, sensory exploration, cause-effect learning, experimentation Tracks feature textures that make the balls clitter clatter as they roll Tracks slide onto the tower in any order Weight of balls sends the tower teetering around and around as they roll 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 Like new condition from pet free smoke free home.