Block assembling
Assembly elements
| piece | id | nº | |
|---|---|---|---|
 | Bar 1 x 4 | 21462 / 30374 | 2 |
 | Technic Pin with Short Friction Ridges | 2780 / 61332 | 2 |
 | Pin Joiner Round with Slot | 29219 / 62462 | 2 |
 | Long Pin with Friction | 6558 / 42924 | 2 |
 | Beam 3 with Pins | 2393 | 1 |
 | Gear Middle Ring | 35186 | 8 |