| 摘要 |
<p>A gymnastics and game apparatus consisting of members adapted for assembly. The members are elongate hollow members made of a plastic material, the members having equal patterns of recesses in at least their upper and lower lateral walls, and box-shaped cavity wall members intermediate the recesses whereby these recesses are provided for receiving plug connector members and include mortises from which extend grooves in the hollow member lateral walls. The plug connector means are stub rods having transversely projecting tenons adapted to be half received in grooves.</p> |
