This post contains affiliated links for your convenience. I only write about products I love and all thoughts and opinions expressed are my own. For more information see Legal. When I taught elementary school art one of my favorite easy end-of-the-year, "I don't feel like writing a lesson plan" activities was scratch art. I'd buy Scratch Art paper in bulk and cut the pages in half and let the kids draw whatever they wanted for half an hour. If you've never…