Key FeaturesNo expensive power tools, complicated calculations or dusty messNo experience necessaryEach piece is 8″ tall x 24″ longIncludes 2 Profile Boards and 2 ConnectorsOverviewProfile Boards create the perimeter of your layout to define the contours. Their special interlocking design make them easy to join together with the use of matching Connectors. They can be placed end-to-end or stacked and locked together, then trimmed with a Hot Wire Foam Cutter (WOOST1435) to create mountain profiles.Detailed InformationSubterrain Lightweight Layout System®Woodland Scenics has simplified the process. Build a layout fast and easy. SubTerrain is the most innovative foam system for building model train layouts. The revolutionary, high-density foam components of the SubTerrain System are extremely.