Satisfy all of your cat's needs with 1 fun playground, providing hours of fun for your pet. The replaceable cardboard scratcher is a great way to encourage scratching and claw maintenance in a positive way. The playground features two movable balls in the outer track. The green MEO planet ball is filled with high-quality fresh catnip to drive your cat wild whilst the orange MEOW planet ball features a fun bell to grabs your cat's attention. Our product's shape encourages your cat to sleep, the inner scratcher is made from a high density thickened corrugated board durable enough for play and sleep.