I’ve seen steel and I’ve seen aluminum.

There’s carbon fiber, titanium and even bamboo.

But cardboard?!

An inventor in Israel, 50-year-old Izhar Gafni, has made a working bicycle out of cardboard, according to a Reuters report featured on Yahoo! News.

It took the bicycle enthusiast and designer of automated mass production lines a year and a half to get it right.

Gafni and his partner will begin setting up a factory in Israel in months and hope to have bikes will cost about $20 for sale within a year.

Both the bike and the manufacturing process will be game changers, Gafni said.

Cardboard bicycle can change the world, says Israeli inventor