Chances are that when you think cars, you don't think cardboard. That's logical as cardboard makes a perfectly fine material to ship packages in, but a lousy one to build cars with.Driving around in a cardboard car would be ridiculously unsafe, but there's no harm in checking out all of these killer cardboard cars. Just don't get tempted to try and build your own car out of cardboard. The rain alone would destroy it, not to mention any sort of impact with anything from another car to a mailbox."Papercraft ninjas" is perhaps the best way to describe the people behind the cardboard NSX. The folks over at Epson (the printer company) created this 1:1 replica using their giant printers and a load of patience. The end result is a thing of beauty, even if it is slower than an Odyssey.