The OurPets Twirl & Whirl is a scratching post or cat tree attachment that is designed to stimulate your cat’s hunter instinct, engaging them in fun and healthy play. Twirl & Whirl turns your cat’s favorite scratching spot into an action packed play experience. The unpredictable spinning feather teases your cat into action giving them the incentive to bat, claw, and scratch in a fun and safe environment. Length: 3.75 in Width: 3.75 in Height: 8.25 in Weight: 0.50 lb