Ease tension and release negative energy with Mandala Adult Coloring Book: 25 Stress-Relieving Designs. Coloring has many healing effects including the reduction of anxiety and the enhancement of creativity. Features: 25 mandala coloring pages, one-sided printing to prevent bleed-through, Color Test page, to test your colors. Suggestions: Place a sheet of paper between the pages, test your colors, relax and color. Happy Coloring!