Well a card board box won its way into the National Toy Hall of Fame
Do you play with paper airplanes or fly paper airplanes? If you play with them, it is therefore a toy. If you fly paper airplanes, well then, it depends on whether you think flying is play or work
Playing cards have been marketed since the early 1700s. The first card deck marketed was a German bible-oriented game with over 300 cards.