Update on Progress:
We’ve soldered practiced soldering for a while, and today ended up actually soldering three of the pieces to the circuit board and desoldering/resoldering one. We’ve also had a couple of mistakes, including soldering a piece on the wrong spots (which required the aforementioned desoldering), and losing one of the wheels. However, this doesn’t provoke much worry, because the instructions say to split one of the wheels. Therefore, with the two remaining wheels, we can just split both and have the same number of wheels as we’re supposed to. That’s pretty much it…