Do your children like to draw on the walls? One parenting expert says she has the solution to prevent any unwanted art work in the home. Dawn Yanek of Momsanity.com told Inside Edition the secret to clean walls is to have your children color inside a box. "For kids who like to color on the walls, a great idea is to direct them to something a little less permanent, like a cardboard box," she suggested. And that's just one of the parenting hacks she recommends.