Now matter what new-fangled cat toys you give them, playful pussycats everywhere will always return to the old standby -- the feather. If you've every seen your cat's prey drive go into high gear when a bird flies up to the window, you can certainly understand their love of all things feathered. Feather-Tail Mice combine kitty's two favorite prey animals -- birds and mice, of course. These little four-inch rattling mice with long feathered tails come in a convenient 12-pack of assorted colors.