Rock Mould - Shelf RockUse this mould to make rocks near water areas, especially oceans and seas or desert canyons. Mould is flexible and reusable.10.5" x 5" (26.6 cm x 12.7 cm)Choose from a wide variety of durable, flexible and finely detailed rock moulds. Use Lightweight Hydrocal to cast small boulders, rock outcroppings, rocks for fields and creeks or entire rock faces. Color with Earth Colors™ Liquid Pigment.You can find rocks on almost any landscape. These can be anything from giant imposing rock formations to rocks that are almost small enough to be considered gravel.There are plenty of products that provide ‘ready-to-plant’ rock of all sizes. But you can add a further dimension to your modelling activities by creating rocks yourself using moulds and lightweight plaster from Woodland Scenics; WC1201 Lightweight Hydrocal casting Plaster.This mould can be used to produce large rocks for just about anywhere on your layout. As with all the other moulds from Woodland Scenics, they are re-usable and flexible. The flexibility makes it easier to extract the moulded rocks from the moulds themselves.