Construct a Lightweight Model Layout in Five Easy Steps - no heavy layout materials necessary! Learn to build a model railroad using the Woodland Scenics revolutionary SubTerrain Lightweight Layout System. Step-by-step, build the base with Foam Sheets and add Risers and Inclines to form elevation changes. Frame the perimeter with Foam Profile Boards and fill the layout with newspaper wads to create the terrain contours. Sculpt with Plaster Cloth, the most convenient and lightweight way to create a durable hard shell or terrain base that easily accepts coloring, plaster castings and other landscape materials. The video lasts approximately 58 minutes.