Punch-card music box movement in a poplar enclosure, fitted with a 1/4″ instrument jack connected to an internal piezo pickup. Like a player piano, the punch-cards determine the notes played, while the hand-crank determines the speed. Blank punch-cards allow for creating unique melodies with up to 30 notes (3 octaves).





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[soundcloud url=”https://api.soundcloud.com/tracks/117551140″ width=”100%” height=”166″ iframe=”true” /]

Materials: Poplar, Punch-card music box movement, Piezo element, Audio jack


  • Diatonic, 20 notes (2.5 octaves), 5″ (h) x 5 1/2″ (w) x 5″ (d)
  • Chromatic, 30 notes (3 octaves),  5 1/2″ (h) x 6 1/4″ (w) x 4 3/4″ (d)

Estimated build time: 3 weeks (requires a special order of the movement)