The Terrain System includes all the products you need to model realistic terrain. These products all work together to make it easy to build any type of terrain for your layout, displays and other projects. Model any rock from anywhere. Cast or carve your own; install ready-to-go, hand-painted rock; and pile debris under rock faces and along road cuts. Our fantastic ShaperSheet is a strong, pliable sheet that holds it form without understructureand can be shaped and reshaped to create any level of detail. Itmechanically bonds with plaster to create a hard shell. Tunnel Portals, Retaining Walls, Culverts, and Roads reinforce natural terrain contours and add functionality, realism and interest to your layout. The high-density castings are detailed realistically, colored easily with Earth Colors™ Liquid Pigment.