Using them to illuminate your Craigslist and eBay listings can help make a sale, and amateur photogs can get professional-looking shots with one. Create your own using K'nex and a little know how.

The YouTuber Shadowman39 used the children's plastic construction set K'NEX as the basis for a full-fledged 8-bit computer.

[Jerry] has been wanting to put together a whiteboard plotter for some time and just recently got around to building one. The plotter draws pretty much about anything he can imagine on a white boar… ...