Features: 1REMOVABLE: Multi layer cat track tower toys, the overall removable structure, storage more convenient, easy to clean, convenient for long term use. 2SAFE: Well polished cat turntable toys, track edge polishing, flat and burr free, delicate, does not hurt your cat's paws. 3EXCELLENT MATERIAL: Kitten tower roller toy is made of environmentally friendly PP and PVC, resistant to falling, scratching and not easy to break. 44 LAYERS: Cat track roller toy contains a total of 4 layers of track, each layer with 1 colored ball, allowing 3 or more cats to have fun at the same time. 5INTERESTING: Rotating ball on the track of the Cat tower track toy stimulates the cat's senses and hunting instincts, so the cat can play alone and eliminate boredom and depression. Package included: 6 x Turntable Accessories 3 x Ball 1 x English Instructions 1 x Anti Slip Stickers 1 x Plush Ball