Item Type: Cat Toy Roller Material: PP Plastic, Steel Wire Weight: Approx. 480g / 16.9oz Package List 4 x Base Parts 5 x Plastic Ball 1 x Spring 1 x Bell Feather 1 x Black Sticky Sponge 1Stack Sturdy Construction: This cat toy is made of ultra strong and tear resistant PP plastic, steel wire that stands up to crazy cat scratcher antics, detachable layers for easy cleanup, it is perfect for your cute cats. 2Spinning Balls Keep Cats Busy: The cat toy stimulates your cat's senses, this will increase their sensitivity and will not cause persecution on the furniture at home. 3Keep Away Lonely: This toy provides hours of exercise, self amusement for health care and elimination of boredom and pet depression since your cat can play on its own when the master is not at home. 4Detachable 4 Level: Multi level durably turntable interactive cat toy with feather on the top level. And the feather comes with no sharp parts or edges, no harm for cats. Fun to entertain your cat for hours. 5Play Together: 2 or more cats play with this toy together, which will make the cat happier and enhance each other friendship. With just 1 toy, you can simply satisfy your cat's mental and physical needs, let them happy.