Cretacolor’s innovative Aqua Brique is the only watercolor block you can draw with. Add a few drops of water, and you’ve got liquid watercolors. The Aqua Brique can be used for a variety of techniques on a variety of surfaces. Highest-quality pigments assure smooth color laydown for classic watercolor work, sketching, drawing, sgraffito, blending, and monoprint. The colors can be thinned for use in airbrushes. This set of 10 includes the colors Permanent White, Cadmium Yellow, Orange, Carmine Extra-Fine, Delft Blue, Prussian Blue, Light Green, Emerald Green, Sienna Natural, and Ivory Black, plus a reusable pop-up sponge. The sponge can be used on large areas to create washes, for adding details, or for cleaning drawing materials.