Cats go CRAZY over these specially designed; patented FAT CAT 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.