KURETAKE-Gansai Tambi Water Colors set. Traditional Japanese water colors for professional artists and crafters. Ideal for sketch, illustration, sumi-e and more. This is a 24 color set. Nontoxic. Conforms to ASTM D 4236. Imported.
Here are the few youtube video links which shows how to use Gansai Tambi watercolor by Kristina Werner –