The Paper Puzzle Parade proffers a PDF presenting plans for your personal pneumatically-propelled
…rocket projectile. Regrettably for alliteration fans, I can’t come up with a synonym for “rocket” that starts with “p.” The plans are quite cool, nevertheless, and should provide a solid afternoon’s entertainment. There’s also a list of “flight data” submitted by builders, though quite a lot of it is plainly spurious. Still, it looks like you might reasonably expect the little guy to hop 15-20 feet in the air. Not a lot, but plenty for younger geeklets to get a charge out of.
(via Hacked Gadgets)
UPDATE: Said aficianados actualized their acumen, producing a proper parallel in “projectile. Or something along those lines.