Chiwava 36 plastic bright colored balls with holes and bell inside will make your little fella forever busy. 8 different designs will not leave you bored.Light weight and smooth surface make this toy fast and easy rolling, specially made for high-energy cats. Mix of middle size and small size balls can be used for both adult cats and kittens. Balls are made from solid plastic which makes them more long-lasting cat toy, easy and fast rolling will make your cat more excited and interested.