Coloring teaches accuracy, perseverance, patience, and the ability to bring the everything to a complete end. For kids who are still not that good at coloring there is a way to create a beautiful and bright picture.
In the process of painting you focus your attention on a subject that is at your fingertips. If you do it with enough concentration, it will ignore the extraneous noise, unpleasant thoughts and worries. This is a very useful skill that will be useful in situations where you need to briefly forget about your physical or emotional pain.