There's no need to invest in an expensive greenhouse with these clever small-scale growing solutions you can build yourself.

The $29.99 all-metal desktop Stirling engine kit is one of the simplest. It can be assembled in 15 minutes and is recommended for ages 14 and up. Also for $29.99 is the Exploring Kid Steam Engine ...

A YouTube enthusiast made a 3D-printed mini tank that is compact and functional. The YouTuber “The Wrench” created this tiny tank with the help of Fusion 360 to make its body. Featuring its tiny 3D ...