• 3-layer track design with smooth balls, provides all-round chasing fun for cats• Top spring ball with star decoration, shakes when touched, highly attractive to cats• Anti-slip pad design at the bottom, stable and non-slip during play• Fully detachable structure, easy to clean and maintain• Made of eco-friendly PP material, durable, bite-resistant and scratch-resistant• Rounded edges without burrs, safe for cat paws• Relieves cat boredom, consumes excess energy, prevents destructive behavior• Suitable for self-play and multi-cat interactive play