Water marbling is the ancient art form of using paint on the surface of the water to create mesmerizing patterns. By putting DecoArt's Water Marbling Magic Medium™ (sold separately) in a basin of water use can then use the Water Marbling Acrylics to create delicate and unique designs directly on the water's surface. Similar to hydro-dipping, when water marbling no two designs will be alike. The surprise and unique quality of each design is part of the magic and mystique of this ancient art form.Details:Available in multiple colors2 fl. oz. (59 mL) bottle size12 bottlesWater marbling acrylicEasy drip tipRequires DecoArt Water Marbling Magic Medium for use (sold separately)For indoor multi-surface use with water marbling techniques