Track King Ready To Run Electric Train Set - HO Scale. Rule the rails with the Track King HO scale train set! This ready-to-run electric train set includes: EMD GP40 diesel locomotive with operating headlight, single-dome tank car, 40' boxcar, flatcar, off-set cupola caboose, 47" x 38" oval of snap-fit E-Z Track, power pack and speed controller. Complete Ready To Run Electric Train Set Powered by a EMD GP40 Diesel Locomotive with Operating Headlight Includes; Single Dome Tank Car, 40' Box Car, Flatcar, and Off-Set Cupola Caboose 47" x 38" Oval of Snap-Fit E-Z Track, Power Pack and Speed Controller HO Scale 1:87.