We featured a cool GPS Puzzle Box earlier this year that Markus built. It was based on a version that Mikal Hart created. Turns out there is quite a bit of interest in these GPS Puzzle Boxes, Mikal has since written a Make article which will be published in the Fall 2010 edition of the magazine.
Have you an opinion, used or been to this object or place? Tell us what you like don't like about it, or post any specs/info about it:
