4 in 1 Interactive Cat Toy: Cat Toy will make your kitten happy, active and healthy. High Quality and Safety: Durable, non-toxic and odorless material. The refillable snack ball is safe for all cats. 360 degree Tumbler: Unlike other toy cat on the market, the tumbler design that can rotate 360 degrees on the floor without consuming batteries, the cat and kitten toy is helping to eliminate the boredom and loneliness of your cats or kittens. Health Benefits: While eating while playing, the unique feeding function allows the cat to get snacks with a little push, which will encourage them to keep chasing the cat toy and thus be able to exercise and maintain good health. The size of the two food delivery holes can be adjusted as needed to control the speed at which your pet eats.