Materials saved from the landfill: tins, bottlecaps, glass Skills you’ll learn: processing natural pigments into watercolor paints Play with pigments to create your very own handmade watercolor paint set! In this class, you’ll learn how to process raw, natural pigments with a glass muller and grinding slab, and different methods and materials for setting and preserving your paints. Using both foraged materials and purchased plant pigments, you’ll leave with a complete set of watercolor paints in an upcycled tin, ready for you to use in your next project!