Cheap Joe's Art Stuff offers a wide selection of artist watercolor. Created with only the purest pigments and gums to provide colors of unsurpassed brilliance and transparency. artist watercolors offer artists the widest and most balanced choice of pigments with the greatest possible permanence. Use them on paper and other absorbent surfaces that have been primed to accept water-based paint. Clean up with soap and water. Choose from brands such as American Journey, Sennelier and Winsor & Newton.