Kato USA Model Train Products HO Unitrack EMD SD90/43MAC Union Pacific with MAXI-IV Starter Set Includes an HO SD90/43MAC UP Locomotive and a Three-Unit articulated Gunderson MAXI-IV Well Set 4' x 7' Oval of Kato UNITRACK with Kato Power pack, starter guide, Locomotive + Rolling stock Includes a re-railing tool for easy locomotive and car placement Expand your UNITRACK starter set with a wide variety of additional available track