In the August/September 2007 issue of Mother Earth News, we wrote about the Instructables (click here for the article), a web site that gives step-by-step instructions for all sorts of DIY projects from simple and wonderfully useful to complex projects that make you scratch your head trying to figure out a practical use. But all of the projects are interesting and fun.
Here are links to some favorites:
Self Watering Plant Container out of a 2 liter bottle