This is a rare vintage 4-car set of Union Pacific Railroad passenger cars from Rivarossi. The HO scale models are made of plastic and diecast materials, and are pre-built and ready to go. The control system is analogue, and the power type is DC. The cars are painted in the classic Union Pacific livery, and are a limited edition collectable. The set includes commuter cars that are suitable for model railway enthusiasts aged 12-16 years. These cars are a great addition to any collection, and are sure to be a hit with collectors and enthusiasts alike.