Create a more complex track layout by expanding your existing HO Gauge Track Layout with the Lionel HO Gauge Figure 8 FasTrack Expansion Pack. Pack includes (4) HO Gauge Straight Sections, (6) HO Gauge Curve Sections, and (1) HO Gauge 90 Degree Cross Section. Expansion Pack must be combined with a previously purchased HO FasTrack layout from any Lionel HO Gauge Train Set in order to create this Figure Eight Track Layout. Trains and scenery are often the stars of any layout, but any seasoned model railroader will tell you that a good track layout is the key to years of trouble-free fun. 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.