Opaque Watercolor (gouache) is a wonderful medium. If you like working in watercolor or oil, you will like this medium because it is a blend of both and it is so easy to transport. Gouache was a favorite medium of Degas & Picasso. For all levels of students. More info: 301.964.1897; walt@yellowbarnstudio.net. Minimum age 16. 10 sessions.