3 LEVELS OF FUN TRACKS: At 7.5 inches high and 9.5 inches wide, this 3 level cat toy includes 1 colourful kitty ball on each tier, perfect for multiple cats to play and chase STIMULATING CAT TOY: The bright colours and teasing nature allows for hours of fun reducing boredom and anxiety. This cat spinner toy also stimulates the cat's hunting instinct REMOVABLE CAT BALLS: Treat your kitten to unlimited play and keep them busy in the playpen. You can remove the rolling ball with ease to play indoors or outdoor HEAVY DUTY MATERIALS: This cat ball tower is made of high-quality ABS plastic material, making it scratch resistant, sturdy & durable. It has an anti-slip pad base so it stays in place while your cat plays with it. Stack & Sturdy Construction: This cat toy is made of ultra-strong and tear-resistant that stands up to crazy cat scratcher antics, a detachable multi-layer for easy cleanup, with anti-slip mat to prevent product rollover. So it is perfect for one or more cats. EASY SET UP: Our cat puzzle toys are easy to assemble to provide your pet with hours of play and exercise. You can simply dismantle it for hassle-free storage and cleaning. Available in Green, Blue, and Pink