This item is an MTH Premier 3-Rail O Scale C&O Chesapeake & Ohio 70′ Aluminum Five-Car Passenger Set, 20-6502 MT-6502, in the set box. In stationary track test, all lights worked as they should, as shown in photos. This was the second 70′ passenger set ever produced by MTH, so was originally catalogued as MT-6502. As shown in last photo, there is a gouge in the cardboard on one side of box, which has been taped together from the inside. Compatible with all O scale brands: Lionel, Williams, K-Line, Atlas, Red Caboose, Weaver, Sunset Models. C&O Observation Wolverine Club #2507. Five Car Passenger Set. Intricately Detailed Durable Aluminum Body. Fast Angle Wheel Sets. Needle Point Axles And Bearings. Detailed Four Wheel Die-Cast Trucks. Operating Die-Cast Metal Couplers. Dual Roller Pickups On Lighted Cars. Prototypical Painting And Lettering. 1:48 Scale Dimensions And Details. Baggage And Coaches Measure: 17 1/2″ x 2 1/2″ x 3 1/2. Observation Measures: 18″ X 2 1/2″ X 3 1/2. Operates On O-42 Curves. Compatible With All O Gauge 1:48 Scale Trains And Scenery. Please Note The Following. Item is pre-owned, so box may show shelf wear, stickers, dust, tape, and/or ink. Listing photos are considered part of the description. Please look closely and ask any questions. Items sell as-is, with no warranties or guarantees stated or implied. Items from a smoke-free environment. Thank You For Looking!