Imitates an angry mouse to get your cat's attention, an unpredictable movement that mimics the movement of Hidden Prey, your kitten will go crazy to catch it. This is a great exercise toy for your cats interior of all ages. 4 different speeds - slow, medium, fast and random 4 different editable speeds to keep your cat entertained. In fact, her movements are so real that you and your cat are going to swear a living mouse back home there Works great on carpets and smooth floors. A very nice gift for your cat at any age. Batteries required - 3 C batteries required (not included), English manual included. Easy to assemble and clean, durable, bring a lot of fun to your cats Color: Yellow Product description Very fun secret mouse, moving randomly under its durable nylon case. Stimulate the cat's prey instinct. Made of durable plastic, allows for easy speed adjustment and provides hours of interactive fun Specification: Material: nylon + plastic Powered: 3x 1.5V C batteries (not included). Weight: approx. 440g