The Ferplast Crazy Ball is a fun electronic toy for cats, designed to stimulate your feline's body and mind. This innovative toy consists of a nylon pouch with a special velcro-sealable opening, which hides an electronic ball that runs on batteries (not included). Part of Ferplast's Clever & Happy range, the Crazy Ball combats boredom and provides moments of joy, keeping your cat active and entertained.