moody pet fling-ama-string cat toy moody pet if cats had opposable thumbs and a checking account, this is what they'd buy for themselves! battery-operated two speeds hangs on a standard door knob why we love it: the fling-ama-sring cat toy is a high-energy cat toy that will provide hours of non-stop entertainment! one side of a long string is sewn to a flat elastic conveyer belt that is constantly roating. the string flings in and out for a kitty's amusement. this toy has two speeds for the extra-ambitious feline! batteries not included.