Vintage Marx Union Pacific Electric Train Set. Comes with 666 Locomotive, Tender, 51170 Erie, 43461 Pacific Fruit Express, 51100 Car Hauler, 3900 Caboose, Transformer & Track. Shows some age - See photos. The item "Vintage Marx Union Pacific Electric Train Set with 666 Locomotive Original Box" is in sale since Wednesday, October 21, 2020. This item is in the category "Toys & Hobbies\Model Railroads & Trains\O Scale\Other O Scale".The seller is "lots-of-good-stuff" and is located in Grand Haven, Michigan. This item can be shipped worldwide.