Features: 1.Interactive Cat Toy: The track and ball of this product are designed to satisfy the nature of cats chasing moving objects and bring unlimited fun. 2.Tower Design: Designed with 3 levels of tracks and colorful moving balls to grab the cat's attention, stimulates the cat's senses of hunting instincts. 3.Detachable: The tower adopts detachable design, you can inset the table legs into the tower and it can be used as a roller for cats to play. 4.Cat Exercise Promotion: The toy can train instincts, nimble in interactive chasing playing, and can increase the amount of cat's exercise. 5.Material: Made of environmentally friendly PP material, fine texture, smooth, solid base, stable, wear resistant and durable. Specification: Item Type: Three Layer Trackball Toy Material: PP PackageList: 1 x ThreeLayerTrackballToy