Keep your cat entertained with the Robotic Cat Toy Tumbler. Made from non-toxic plastic, this durable cat toy rattles and rolls across the floor as your cat bats and paws at it. Just as your cat tries to grasp , it will slips out from under their paws rolling and rattling across the floor, giving your cat something to chase. Help your cat release their natural instinct to hunt and catch their prey Robotic Cat Toy Tumbler. Works on carpet and hard surfaces but for the best results, use on a hard, flat surface.