Cats go crazy over these specially designed, patented Petmate Cat Crazies. For the most fun, try using them on a smooth floor. Your cat can slide 'em, flip 'em, roll 'em, bite 'em & carry 'em. These toys are designed to spark the imagination of your naturally curious kitty. They flip & bounce unpredictably to your cat's amusement as they bat & paw at their brightly color plastic shapes. Ships in a four-pack variety of bright neon colors.