This Marx Flat Car #51100 is a vintage collectible that will make a great addition to your model railroad collection. It is a pre-built unit that is ready to go and has been well-maintained, making it in excellent working order. The car is a replica of the 05 model and has a scale of 1:48. The flat car is made of a combination of plastic, metal, and steel materials and has a brown color. It has a recommended age range of 8+ and is suitable for both boys and girls. The car is powered by AC and has an analog control system. The unit type is a unit, and it weighs 1 lb. The car is a great representation of the Alaska Railroad (ARR) theme and is from the 1950-1959 time period.