There's no shortage of fun with this cat track toy! Tower of Tracks is equipped with 3 levels of tracks and 3 bright ball, elevating playtime. This y=track toy stimulates your cats senses and excites their mind as they work to bat and play with every ball. Unique to the tower of tracks. the balls will not come loose during play and securely soin across the tracks for repeated fun. With 3 levels of fun, this cat track allows you to play with your cat and your cat to share the fun with your furry friend.