Rock Molds are durable flexible reusable & welldetailed They present the scenery modeler with value & versatility Use Lightweight Hydrocal to cast small boulders rock outcroppings top rocks for fields & creeks or entire rock faces Plaster castings release easily & completely & can be attached with Foam Tack Glue or Scenic Glue Color with Earth Colors Liquid Pigments Purchase the Scenery Manual for additional information on how to use the Landscaping System