Mother and child painting cardboard house outside - Fiona Jackson-downes And Dirk Lindner/Getty Images Painting can be a therapeutic activity, and you don't have to be Van Gogh or Kahlo to enjoy it.

Be honest: How many cardboard boxes do you have languishing down in the basement, stuffed up in the attic or flattened and tucked in a hall closet? After a move (or thanks to an insatiable Amazon ...