The Lionel General Mills 9090 Mini-Max Railcar is a vintage model train accessory that was manufactured in 1971. This pre-built plastic box car in blue features an analog control system and is designed for use on a three-rail system. Perfect for collectors and model train enthusiasts aged 17 and up, this Lionel brand railcar is a nostalgic addition to any transportation-themed train layout from the 1970s.