A Bicycle Made Out of Cardboard?!

I think that you have to see this next video to believe it. It's a functioning bicycle made out of cardboard.

Related articles

• World's First Cardboard Bicycle Gears Up for Production (blogs.theprovince.com)
• Can a Cardboard Bicycle Change The World?! (singularityweblog.com)
• Israeli inventor has backers for cardboard bicycle (phys.org)