I must admit that personally I bought into this concept hook, line and sinker. When my two older daughters were small, I colored with them, and enjoyed doing it. I never realized the calming effect it had on both the girls and me.
The simple act of coloring is the beginning of gaining tinting knowledge with personal experiences of school day memories and trial and error. As you follow suggestions for cool and warm colors one begins to understand how colors offer contrast or compliment each other. The emotional side benefits of tranquility and immediate rewards encourage learning.
And this incredible opportunity is available at no cost to you, as these pages can be freely printed from a number of online sites. So now you need not worry about the cost of the latest expensive educational gadget, as you only need to supply the ink for your printer and you will be able to take advantage of all that coloring pages provide for your child.