The MTH 30-73664 RailKing Space X 3 Dome Tank Car is a pre-built O gauge model train accessory featuring diecast trucks and couplers. This multicolored replica of a tank car is designed with detailed metal wheels and plastic construction, making it a unique and eye-catching addition to any model railroad collection. This particular model is themed after transportation and was manufactured in 2026, showcasing the latest trends in model train technology. Perfect for collectors and hobbyists aged 12 and up, this tank car is a must-have for fans of the Space X franchise and model railroads alike.