3mm and 5mm drill bits
sandpaper (80 to 320 grit)
wood dowels 5mm
welding wire 3mm
blue masking tape 6mm from 3M
standard painters masking tape
spray paint (red and clear)
primer for plastic
Step 1: Taking Apart and Sanding
Step 2: Replacement Parts 1 - Steering Wheel
From a wood dowel with the right size I made a bending template. I basically drilled a 3mm hole trough the middle of the dowel and made a centered cut into the top side.
I got the bending right in the second attempt. After cutting off the excess wire, I soldered the gap to avoid injuries. To finish I hammered and filed the lower end of the steering column flat to fit it into the existing steering joint.
Step 3: Replacement Parts 2 - Lights
On the tractor side I redrilled the existing holes to 5mm diameter
Step 4: Replacement Parts 3 - Decoration
For the sides I wanted something out of wood. I had some 5mm dowel left from the previous step. So I cut them to the same length as the original mirror strips. Then I split them into half lengthwise with knife and hammer (be careful on that), sanded them flat and rounded the ends. To prep for painting I sticked them on some painters tape I fixed to a piece of wood.
Step 5: Paint Job
The shape on the tractor I did freehand with 6mm masking tape from 3M (sorry, I got excited and forgot to take a picture before spray painting), the rest of the tractor I covered with standard painters tape. Same on the wheels.
The tractor hood got several coats of red, as well as the seat. The steering wheel I painted black, the lights and decoration strips silver. The wheels got a layer of plastic primer first, on the wood and metal I didn't use any primer.