Parts are currently unavailable
The parts required for the differential model are listed below. I have also included the templates used to drill the holes in the shaft. Additional materials are listed at the bottom of the page. Don’t forget, you can 3D print here
Additional materials I used
M2 bolts + nuts, although you can use some wire instead
9x bearings 605RS 5mm x 14mm x 5mm
12 screws
5mm mild steel rods for axles and also to hold spider gears in place.
Side axles ~100mm x2
Drive axle ~60mm x1
Spider axles ~27mm x2
2mm drill bit