This is only temporary. The focus needed to fill in the small circles and wavy lines on this design calms your mind and distracts you from daily stressors. Racing thoughts will slow as you apply your attention to the task of coloring. You’ll gain a sense of accomplishment that naturally boosts your mood. Arteza coloring book for adults, 6. 4 x 6. 4 inches, 72 sheets, animal designs, detachable pages. Relaxing adult & teen coloring book: This coloring book for women and men is a great therapeutic way to ease anxiety and experience relaxation. With 72 unique and complex animal illustrations, this art therapy. Free printable coloring pages for adults. Scroll down the page to see all our free adult coloring sheets.