OurPets Bird in a Cage makes every cat's fantasy of teasing the bird of the house a reality. As this lifelike bird shakes around in its cage, while making the RealBird sound, your cat will have no choice but to enter into hunting mode! This will engage your cat in plenty of physical activity and mental stimulation. Lifelike fluttering bird moves around inside the cage. RealBird sound mimics a real bird. Wobble base keeps cats pouncing. Promotes healthy mental and physical stimulation. Requires 2 AA batteries (not included).