Keep your kitty cat busy with FAT CAT's® Mouse Bouncer Doorknob Hanger. Great for solo playtime, place the Mouse Bouncer on any doorknob in your home and watch as it teases your kitty with its two catnip-filled EEEKS. Two bouncy tentacles spring back to their original position as your cat paws and bats at them. Made from durable materials, this cat toy is designed to stand up to play and is great for multi-cat homes.