Today Margaret got us messy creating background papers and covers for a journal. This is similar to the Watercolor Plastic Wrap Technique. Generously spray Glimmer Mists (or any dye ink based sprays with mica powders) over watercolor paper. Mix colors as desired. The colors should pool. Cover with plastic wrap and wrinkle/crease it up. Put it aside to dry, before removing the plastic wrap. Then do the reverse side.
Here is one of my papers waiting to dry.