Our Pets Whirling Wiggler Spinner Cat Toy The Our Pets Whirling Wiggler Spinner Cat Toy was developed to indulge your cat's inner hunter. It allows your cat to stalk and hunt safely with each movement and vibration. It is also great for cats that need to stay occupied and need a little extra exercise. The double butterflies allow this toy to have two flight modes, chase and play. The wire slider lets you change the flight modes of the butterflies. Chase mode means that one butterfly is flying freely, while the other is chasing closely behind. Play flight mode lets the butterflies fly in sync as they playfully flutter around the base of the toy. Your cat will have hours of fun with this innovative toy. Features: For all cats Especially those that need to be kept busy Dual butterflies provide a lifelike flying action Wire slider allows butterflies to interact in a variety of ways Spinning and chasing action stimulates cat's natural instincts Item Specifications: Requires: Two AAA batteries (not included).