... switch them forward at the same time, the car will go forward with a straight line; switch ... switch one forward, the other one backward, the car will be circling clockwise or counterclockwise rapidly.Motor: Double ... and easy to use.The tube of the car: the material of the tube is PVC 0.9mm, we ... more attractive, security and practical.The Body of the Car: Use FRP, thicker, more colorful. The weight of ...