Reply To: 2015 Q4 build challenge Home › Forums › MOCs › Build challenges! › 2015 Q4 build challenge › Reply To: 2015 Q4 build challenge December 9, 2015 at 5:53 pm #14420 Greg SchubertParticipant I had so many red and black 2×4’s that I built this: Attachments:You must be logged in to view attached files.