Image | Item No. | Description |
| 58177 | Technic, Axle and Pin Connector 3 x 3 with Axle, 2 Pin Holes and Axle Hole Catalog: Parts: Technic, Connector |
| 45574 | Technic, Spike Connector Flexible with Four Holes Perpendicular Catalog: Parts: Technic, Connector |
| 47324 | Technic, Spike Connector Flexible with Four Holes, Flat Center Catalog: Parts: Technic, Connector |
| 45573 | Technic, Spike Connector Flexible with Four Holes, Raised Center Catalog: Parts: Technic, Connector |
| 49830 | Technic, Spike Connector Flexible with Six Holes Perpendicular Catalog: Parts: Technic, Connector |