The HO Scale Mantua 40' Gondola in Monon RR gray color with #3029 upgraded metal wheels Kadees is a vintage replica of a gondola from the 1960s. This ready-to-go pre-built model is made of plastic and features a two-rail system. The gondola, controlled by an analog system, is a detailed addition to any model railroad collection, especially for those interested in vintage transportation-themed pieces. Made in the United States by the brand Mantua, this gondola is a unique and nostalgic piece for enthusiasts of model railroads and trains.