The Woodland Scenics Rock Molds Creek Bank set provides flexible, reusable molds for casting realistic creek bank rock formations for model scenery layouts. The molds feature fine surface detail to replicate the layered, striated appearance of natural creek bank rock faces. These are designed for use with casting materials to produce custom rock pieces that can be trimmed and arranged to build up scenic terrain. Features: Reusable flexible mold Fine surface detail for realistic rock texture Multiple rock profile shapes included Compatible with standard scenery casting materials 7/7/26 cs