Made of ABS which is a stable and healty material to cats, Transparent ball track can easily attrack cats attention playing with balls inside with a lot of fun. The compact size enables cats to release their inner energy. Green ball is with catnip packed. Orange ball is a bell ball. The ringing sound draws cats attention to kepping chasing the ball, doing more exercises and good for health. Paper scratcher can be easily replaced while it also can be a bed to cats.
