MTH PREMIER SANTA FE STREAMLINED RIBBED SIDES. 5 CAR 70′ PASSENGER SET. O GAUGE 3 RAIL. Comes in original box. 1 Baggage car, 1 Observation Car, 2-Coaches, and 1-Vista-Dome. Die-cast operating metal couplers. Fast angle wheel sets. End of car diaphragms. Needle Point Axels and Bearings. Each Car Measures 18 in length.