The aptly named Stupid Inventions brings us a fun little diversion: the self-playing harmonica. Using nothing more than an inkjet printer, a vacvuum cleaner, and a harmonica, you can create a modern day Nickelodeon! Except, of course, it’s a harmonica, and not a piano. But still!
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:
