| 摘要 |
<p>A plate-assembled toy car includes a car body having front and rear wheel sets mounted to front and rear ends, respectively, of the car body, and a ball of predetermined weight and size supported in a central opening formed on the car body. The central opening of the car body is provided with two opposite pivot shafts, and the ball is provided with two symmetrical pivot shaft holes for movably engaging with the pivot shafts on the car body, such that the ball is rotatably supported on the car body while contacting with a surface below the toy car. When the ball rotates about the pivot shafts, the car body is brought to quickly move forward or backward on the surface below it.</p> |
