Automatic Rolling Ball Smart Electric Self-moving Pet Cat Dog Interactive Toy AUDescription Automatic Direction Change: Due to the sphere shape and self balancing system, the ball will automatically change its direction when colliding with a wall, chair, door, etc. no extra help required, all you need to do is turn the ball on to play and turn off when your pet is out of energy and done playing. 360 Degree Self Rotation: The primary purpose of the self rotating ball is to have your pet chase the ball around and have fun. With