Lionel The Polar Express 20th Anniversary HO Gauge Model Train Coach Car will be a great addition to any HO Gauge layout. It is decked in the famous Polar Express colors, is sports a special 20th Anniversary Polar Express logo. Boxcar is compatible with Lionel HO Gauge Systems, and features LED interior flicker-free lighting, metal wheels and knuckle couplers. Lionel HO Gauge are 1:87 in scale, are half the size of the traditional O Gauge and have become the most popular model railroad scale in the world today. These are small enough to build a gratifying layout in an efficient space and are large enough to illustrate all the great details. HO Gauge products operate on a 2-Rail HO FasTrack System that has a fantastic exemplary look and features a quick easy snap-together connection.