Axle mount for Target christmas trailer RC

This is a very simple axle mount for the target Christmas trailer.

v 1.0

What you'll need:
1x threaded rod, the one thats red on the end? idk print this bring it to the store its like $1
6 x lock nuts for the rod
6 x nylon washers (or whatever)
2 donor wheels

So it'll assemble like
nut - washer - tire (with plastic hex thing in it! important!) - washer - nut nut washer
same thing on the other side
use a drill and just put the rod in the chuck and spin it while holding the nut