Leisure Arts-Color Art: Natural Wonders. Coloring is not just for children; it has been proved to be also beneficial for adults. Generating wellness and quietness, as well as stimulating the brain areas related to the senses and creativity, people across the globe are enjoying this simple form of art therapy. Our intricate line drawings offer complexity to engage the adult brain, but also simplicity, in that there are no rules or even guidelines; you are completely free. This book contains twenty-four designs printed on one side of premium paper only and are perforated for easy removal. Softcover; 24 pages. Published year: 2015. Made in USA.