The Lionel #3472 O Gauge Operating Milk Car Set is a vintage collectible from the 1950s, featuring a diecast material construction in color. This pre-built set includes an operating milk car, original box, and insert, making it a unique addition to any model railroad collection. With a scale of 1:48 and designed for a three-rail system, this set represents a piece of transportation history made by the renowned brand Lionel in the United States. Perfect for enthusiasts of model railroads and train collectors looking for a nostalgic touch to their collection.