#70012
Rubber Band Medium (Square Cross Section) Thin Cut
Black
2× needed
#71509
Rubber Band Small 13mm (Square Cross Section)
Black
2× needed
![Technic Bush 1/2 Toothed Type I [+ Opening]](https://cdn.rebrickable.com/media/parts/ldraw/7/4265a.png)
#4265a
Technic Bush 1/2 Toothed Type I [+ Opening]
Light Gray
4× needed
#3736
Technic Steering Pulley Large
Light Gray
1× needed
![Technic Universal Joint 4L [Complete Assembly]](https://cdn.rebrickable.com/media/parts/ldraw/7/3712c01.png)
#9244
Technic Universal Joint 4L [Complete Assembly]
Light Gray
1× needed
![Technic Wedge Belt Wheel [aka Pulley]](https://cdn.rebrickable.com/media/parts/elements/4100502.jpg)
#4185
Technic Wedge Belt Wheel [aka Pulley]
Light Gray
2× needed
