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These have the crank on the side of the wooden box, these music boxes play the song while you are turning the handle! If you stop turning the handle, the music stops playing as well! These music boxes can have open lids or they can be sealed shut! You can check them out here:

from WIRED

DIY Guy Cranks Out Guitar Amps Made of Ouija Boards, Beer Cans

WIRED article about Artistic Amplification: Guitar and iPod amps made out of just about any/everything using the Ruby amp circuit.