Introduce Your Kid to This Database of Paper Airplanes
by Michelle Woo on Offspring, shared by Michelle Woo from Lifehacker on (#41FZC)
Making paper airplanes isn't just a great low-tech boredom killer-it's highly educational, too. Yep, all that time you spent folding spiral notebook paper into cool gliders in 11th grade economics, you were actually getting a lesson in design engineering. Neat, huh?