Working matchbox cars made from paperclips, by CybormanX. Not exactly sure how well they work!
Fullsize image: https://s3-us-west-1.amazonaws.com/h...s_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h..._tiny_cars.jpg
Previously:
https://www.homemadetools.net/forum/...464#post131861
