Follow Me Pets is a mouse on wheels with induction sensors that recognize motion and are controlled by movement. Use your hand to control the motion of the mouse by just waving it in front of the vehicle. Includes ball it can follow. Follow Me Pets includes the mouse, a ball to follow and play with, rechargeable battery and USB cable.Details:Light brown7" x 4.6" x 3.18"Includes mouse, ball, rechargeable battery and USB cableMotion activatedFor ages 3 and up