Twinkling H20's Shimmering Watercolors 5g Jars 6 Pack - Think Pink - Luminarte Twinkling H2O's Starter Kit. Twinkling H2O's are luscious watercolor cakes. They are incredibly shimmery non-toxic and acid free. Just spritz cake with water to activate the paint. Apply with a paintbrush sponge or other painting tool. For use on paper canvas gesso boards chipboard wood and more! This starter kit contains six 0.176 ounce colours.