I made a 3d printed Amiibo that served to reward kids at camp. The Amiibo had a chip pulled from a real Nintendo Amiibo.
A wooden tank made of wood bars carefuly cut at 90 and 45 degree angles to make a near perfect box frame that evolved into a futuristic looking tank that could have been made for an early game or scifi universe.
An entire sculpture made primarily of cardboard. Pieces were cut by knife with careful measurements and sanded down to fit nearly perfectly.