The Lionel 6-16610 Track Maintenance Car is a vintage model designed for O gauge model railroads. This pre-built car features a unique transportation theme, painted in vibrant colors. With a scale of 1:48 and a weight of 1 lb, this analog-controlled car is a great addition to any model railroad enthusiast's collection. Made of plastic and part of the Three-Rail System, this track maintenance car by Lionel is ready to go and perfect for hobbyists aged 17 and up.