http://www.fastcodesign.com/1670753/...ner=newsletter
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better not get it wet....
He was inspired to make a cardboard bike after seeing a cardboard canoe. It looks like it's painted and I guess that keeps it from getting wet.
It costs $9 in cardboard..... the end retail price was quoted in a different article to be more around $90..... you can get a cheap Wally-bike for less than that.... It was a fun exercise for some packaging science dude, but really not practical in the real world.