Half-pan set includes small waterbrush with self-contained water cartridge sponge and mixing wells molded in the cover. Waterbrush cartridges allow you to create a watercolor finish with pastels charcoal and chalks. Or fill it with water-soluble ink watercolor or gouache. Set contains half pans in 12 colors: Chinese White Prussian Blue Cobalt Blue Hue Deep Yellow Lemon Yellow Ivory Black Burnt Sienna Yellow Green Yellow Ochre Viridian Hue Carmine Vermilion Hue.