This flexible, non-cracking modeling paste can be used to create a hard surface, as a filler or primer on foam. Also use as a road base or in a very thin layer as a sealer under water features, or use with Soft Flake Snow(tm) to model heavy snow drifts. 16 fl oz (473 mL) WARNING: CHOKING HAZARD - SMALL PARTS! NOT INTENDED FOR CHILDREN UNDER 3.