SmartyKat Twirly Top electronic cat toy drives cats wild with its erratic Spinning motions. Cats are intrigued by the ribbons that rustle when it twirls. It even works on carpet! Replaceable batteries are included. The colors vary and are available in purple, yellow, or orange. A color will be randomly selected and cannot be specified at this time. SmartyKat toys, beds and scratchers are designed to meet the needs of your cat: Exercise, Hunt, Stimulation, Interaction, Scratch and Comfort without forgetting about FUN!