Pennsylvania Congressional 4-Pack 18” Aluminum Passenger Cars The finest aluminum passenger cars in O gauge are now dressed for service as the Commodore Vanderbilt and the Congressional. Add-on 2-Packs and StationSounds diners are available for each set. Combination car, two coaches, observation car Die-cast metal sprung trucks with rotating bearing caps and operating couplers with hidden uncoupling tab Operating diaphragms between cars Extruded aluminum bodies with flush fitting windows Metal frames Authentically detailed and painted interiors Passenger figures Interior lighting with ON/OFF control Selectable red warning lights on each car end Gauge: O Gauge Minimum Curve: O-54 Dimensions: Length: 4-Pack: 76” Single car: 19” RailLine: Pennsylvania ShipYear: 2006