my son has such an obsession with paper planes. you could not possibly move through our house without having to step over or dodge one or many - kinda out of control but also pretty cool. and he improvises and makes them now without patterns, which turn out to be much better than the ones with. he notches and rips and folds to move the air around the planes in different ways. i love it! and i really like these hemp and organic cotton bags screenprinted with an origami plane image from mingus designs (who happen to have a very nice line of eco-friendly goods).