"Watercolor classes" refers to instructional sessions or courses where individuals learn how to paint using watercolors, a type of paint that is mixed with water for a translucent effect. Full definition
He has taught watercolor classes & workshops, & demonstrated his watercolor technique for many organization Frequency about 1 post per month. (blog.feedspot.com)
I imagined watercolor classes, reading more books from the library, and going on long, leisurely walks. (breastfeedingtoday-llli.org)
I have taken a few other beginning watercolor classes, but this was much more comprehensive and thorough. (arttutor.com)