A lack of physical activity can lead to weight gain, poor health and even aggression in domestic cats. Roaming Runner? Mouse Electronic Cat Toy mimics the thrill of the hunt, encouraging even inactive cats to chase, pounce and leap, transforming playtime into exercise time. This electronic motion toy dashes and jitters, mimicking the movements of real prey with a whisper quiet motor. Replaceable batteries included.  gives pet parents the best of all worlds: innovative products, stylish designs, environmental responsibility, and exceptional value with a variety of toys, scratchers and beds to meet a pet's need for play, scratching, wellness, retreat, rest, and fun! products are designed to meet child safety standards and are backed by our 100% satisfaction guarantee. If a customer is dissatisfied with a  product for any reason, we will replace or refund it. Roaming Runner? dashes and jitters, mimicking the movements of real prey with a whisper quiet motor Encourages cats to chase, pounce and leap, transforming playtime into exercise time Quiet motor won't startle even the most skittish cats. Replaceable batteries included 100% satisfaction guarantee. If a customer is dissatisfied with a product for any reason, we will replace or refund it.