EASE OF USE: Can work on any surface with non-skid rubber feet. Toy will auto turn off after 10 minutes. Requires 4 C batteries (not included). INTERACTIVE CAT TOY: The Catty Whack cat toy provides hours of play. Specifically designed to encourage independent play for cats of all ages helping to relieve anxiety, stress & boredom. ELECTRONIC REALMOUSE SOUND: The patented RealMouse sound creates the allure of a real hunt for prey stimulating your cat?s natural hunting instinct. The random and fast paced feather wand will keep your cat engaged and stimulated to hunt, stalk & pounce, giving them a sense of accomplishment while promoting exercise. CARPETED SCRATCHING AREA: The carpeted scratching area keeps cat?s claws groomed. Scratching is an important part of a cat?s health & well-being. EASY TO REPLACE FEATHERS: Replace the feather in just a few simple steps (one spare feather included). Replacement feathers available to purchase.