Okay, that figure's a bit of a stretch, but if you can't spring for a book like Andrew Dewar's Simple Origami Airplanes ($11.66 from Amazon), there are tons of free online resources for practicing the art of paper-airplane-folding, Japanese or otherwise, with your junior aviators.
After the jump: 10 of the best places to nab hundreds of paper-airplane designs without paying a cent.
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