This step-by-step video shows you how to build a realistic model railroad layout with Woodland Scenics revolutionary SubTerrain Layout System. In just five easy steps you can create a layout from start to finish using SubTerrain's rigid, high-density foam components. Learn tips and techniques that make beginners look like craftsmen. The SubTerrain video shows you how to finish your layout using Woodland Scenics basic terrain and landscaping techniques. Length 58 minutes. Woodland Scenics a leader in model railroading scenery products has a new revolutionary layout system called SubTerrain. This system makes it easy for anyone to build a layout anywhere. This how-to video shows the 5 steps in the building of a layout with the new SubTerrain system.