Lionel The Polar Express 20th Anniversary American Flyer S Gauge Coach Car will be a great addition to any American Flyer S Gauge layout. Coach Car is decked in the famous Polar Express colors, is sports a special 20th Anniversary Polar Express logo. It is compatible with all American Flyer S Gauge Systems, and features interior illumination, operating couplers on front and rear, underbody detail, and simulated snow on roof. Lionel S Gauge products are approximately 1:64 in scale and are sold under the name American Flyer. Lionel S Gauge requires AF FasTrack due to being narrower than O, has two rails and supports American Flyer and other S Gauge cars only. S Gauge product and track are recommended for train hobbyist and collectors who prefer a scale smaller than our Traditional O Gauge or O Scale line.