The Ferplast Twister Circuit is a fun cat toy, designed to stimulate your feline's curiosity and help them stay active and in shape. Part of Ferplast's Clever & Happy range, this circuit is perfect for combating boredom, providing moments of fun. The Twister is easy to use: simply insert the balls (included) into the 4 plastic discs. On the underside, the toy is equipped with non-slip feet for maximum stability.