| 摘要 |
To join the toy building blocks, on their undersides are concave hemispherical recesses which fit over convex, hemispherical formations on their top sides. The wheels of the vehicle each comprise a ball (4) which runs on top of the track (5) and a large wheel (6) fitted to the flattened outer edge of the ball. - The wheels in each case determine the lateral positions of the vehicle on the track by running on the outside of it. The vehicle coupling arrangement has an end ball on one side of a line, with a corresp. part formed as a keyhole through which the ball penetrates and slides downwards into a rear hole. |
