Antistress coloring book for adults - mandala design, activity to older children and relax adult. Why coloring for adults? Well, who doesn't love to color- let's admit it, adults included. As an adult, now that you can stay in the lines, you only need to think about what color to use You'll be inspired by the sumptuous artwork in this book, and the use of color is endless. In conclusion, using mandala coloring pages is an effective way to experience...