The Woodland Scenics Rock Form Classic Rock is a reusable rubber mold for casting realistic rock formations in model scenery. It produces a large central rock slab along with several smaller individual rock pieces in a single pour. Designed for use with plaster or Woodland Scenics casting materials, this mold is a practical tool for hobbyists building layouts that require natural-looking terrain details. Features: Reusable rubber mold for plaster casting Produces large slab and multiple smaller rock pieces Classic rock texture suitable for a variety of landscape scenes 7/7/26 cs