Alfie Lifestyle Pet Accessory - Crazy Donut Chase Ball Track Interactive Cat Toy with Panic Mouse on Spring Interactive cat toy to encourages exercise for a happier and healthier cat. Donut-shaped ball track offers hours of chasing fun for your cat plus spring-action plush mouse in the center to double the fun! Ball enclosed in durable plastic circle with openings on the side allow ball to be moved around. Drive cats crazy as they bat the ball around the circle trying to get it out. Your cat will stay entertained all day long.