Reply To: 2016 Q3 build challenge – derby cars Home › Forums › MOCs › Build challenges! › 2016 Q3 build challenge – derby cars › Reply To: 2016 Q3 build challenge – derby cars August 22, 2016 at 5:02 pm #17489 Micah BeidemanParticipant can we use any Lego wheels (as long as they fit on the track of course)? scratch that just read the description lol. This reply was modified 10 years ago by Micah Beideman.