Girls Coloring Book for Adults Recently, coloring becomes the most popular activity for everyone. They are so happy to color intricate coloring pictures such as: mandalas, animals, tattoo, famous paintings, sugar sculls, patterns, doodles. Do you know why? It is because coloring can be anti-stress activity and get rid of boredom. If you are looking for the best coloring activity, here is our coloring book for you. There are lots of coloring themes that you can find here. All the coloring page