A ball is just a ball, right? Nope, not anymore with Pet Qwerks? Animal Sounds X-Tire Balls. X-Tire Balls are made with a pair of small tires ruggedly molded together into a single ball with a hollow center that holds an Animal Sounds Babble Ball that teases and entices your dog with animal sounds as your dog shakes, tosses, rolls, flings, and retrieves the ball. This dog toy's unique design and shape make it super easy for your dog to pick up and recover and have fun rolling action. Every ball is motion-activated and makes over 20 different animal sounds that range from exotic lion roars to frogs to cats meowing. Upgrade your dog's fetch ball today with a Pet Qwerks Animal Sounds X-Tire Ball.