When my son was first learning his shapes, shape coloring pages gave us a simple way to turn something abstract into something he could actually see and color. Instead of just memorizing “circle” or ...

This piece was updated on Sept. 2, 2018. Crayons, of course. Scented markers. Colored pencils, pre-sharpened. And coloring books by the jillions. Why do people like coloring so much? For grownups, I ...