“Take your parts box and have fun,” John Robinette said. “Rat rods have no rules!” His 1/25 scale rat is a kitbashed and spares box mishmash with a 1930 Ford touring frame, Chevy 427 with turbo, seat backs from a 1966 Chevy, a firewall covered in license plates, German cross decals on the doors, and 1955 Chevy hood trim.