This nifty Mint Tin Pocket Guitar Amp from ThinkGeek is actually made from an Altoids tin — “ready for you to plug in a standard electric guitar and some headphones.” Videos after the break. Click here for one more picture.
The fairy removes the mints and eats them (thus her incredibly fresh breath). She then solders the electronics together, adds some jacks, a volume control and a red LED… and voila!