Marx Mechanical Train Set in the original box with Seaboard litho tinplate Diesel Locomotive and four freight cars. Marx O Gauge Postwar Seaboard Diesel Mechanical Set 4000 Seaboard Diesel Wind Up Locomotive 10966 Fruit Growers Express Ventilator and Refrigerator Yellow Lithographed Car 4 Wheel with tab and slot couplers. Sliding doors 20102 NYC Red/Gray Lithographed 4 Wheel Caboose with tab & slot couplers. 86000 D.L.&W. 4 Wheel Blue Lithographed Hopper. Rust spotting on tab and slot couplers 551 New York Central 4 wheel Lithographed Tender (not sure why this is in the set box - but here it is. All in a Marx Sparkling Mechanical Train Set Box Not tested, no track.