Excellent working and cosmetic condition. UP 21 Expansion Passenger Set (2-Pack). Expand your Union Pacific passenger service with these add-on two-packs! Decorated to match the Union Pacific Excursion and Challenger sets available separately, these new cars can help you meet your passengers’ needs and put together a consist worthy of your UP power! Flicker-free LED interior lighting. Kinematic couplers for close coupling. Easy conversion to scale couplers. Modern or classic diaphragms as appropriate. Rail Line: Union Pacific. Dimensions: Length: 44″ (22″ each).