For sale is a Marx 3900 Union Pacific caboose, perfect for model railroads and train enthusiasts. This caboose is a replica of the Santa Fe and was manufactured in 1955. It is in good condition with a grade of C-5 and a weight of 1lb. The caboose is made of plastic and has a scale of 1:48. It is designed for O gauge, has an AC power supply, and an analog control system. The item length is 6 in, and the width is 2 in. It is pre-built and ready to go, making it an excellent choice for collectors of any age. Please contact me if you have any questions.