With rock pieces made of structural foam, building impressive mountains and rock walls becomes child's play. The well-known NOCH structural foam has huge advantages over other materials. It is extremely lightweight, very stable, and easy to work with (cutting with a craft knife, sawing with a coping saw). It is weatherproof. Since all our foam products are hand-painted, color variations are possible. The NOCH rock made of structural foam has a decisive advantage over other materials: it is extremely lightweight, stable, very easy to work with using a craft knife, and also weatherproof.