This Set Is New. Packaging Shows Signs Of Shelf Wear. The Bachmann McKinley Explorer HO Scale Train Set is a vintage starter set featuring the EMD GP40 Locomotive, four Vista-Dome Passenger Cars, and E-Z Track. This ready-to-go set includes a power pack, terminal rerailer, and instructions for assembly. With its Alaskan theme and light function features, this train set captures the essence of the North Star State’s iconic railway. Made by Bachmann in the 1990s, this set is a valuable addition to any model railroad collection.