Go-kart plywood, mostly snap together with just a few screws. Road tested down the port hills in Christchurch, including a spectacular crash (durability testing. Inquiries welcome on this, we would love to make a few
Classic Chessboard Plan - The plans I received are full color and high quality. The detail views and plan drawings are excellent, clear, and easy to understand. Though I used my own chessboard grid idea, the project turned out great.