Make playtime even more fun for your furry friend by adding this Catit Design Senses Illuminated Ball to the experience. This product is suited for nightly play sessions and is sure to keep your pet and you entertained. This motion activated cat ball is powered by replaceable batteries. Use it for a game of catch with your cat, dog or any pet. Lights are naturally attractive to animals so this item will definitely be a hit. One pack contains two pieces. This Catit Design Senses illuminated ball can be used on its own or as complement to the brand's Play Circuit or Speed Circuit setups.