Bobby Pin Thumb Piano

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Bobby Pin Thumb Piano - finished pianoMy daughter needed to make a musical instrument for her 7th grade science class that had at least 4 notes. I remembered that she had made a neat little thumb piano years ago at a craft fair. She made a new one and it is perfect!



Bobby Pin Thumb Piano - supplies


  1. Cut a piece of wood to the correct size. Then sand it to smooth out the surface and edges.
  2. Bobby Pin Thumb Piano - cut a piece of wood to the appropriate size
    Bobby Pin Thumb Piano - sand surface and edges
  3. Straighten out the bobby pins, as shown below.
  4. Bobby Pin Thumb Piano - straighten out the bobby pins
  5. Staple each of the bobby pins to the wood, near the edge of the wood.
  6. Bobby Pin Thumb Piano - bobby pin stapled to edge of wood
    Bobby Pin Thumb Piano - two pins
    Bobby Pin Thumb Piano - adding a third
    Bobby Pin Thumb Piano - fourth
    Bobby Pin Thumb Piano - all bobby pins stapled down
  7. Use a hammer to tap the staples tightly over the bobby pins.
  8. Bobby Pin Thumb Piano - tap staples down with a hammer

  9. Then staple each bobby pin down a second time, with the first one being pretty close to the other end and the last one being farthest from the end, as shown below. Again, hammer the staples down.
  10. Bobby Pin Thumb Piano - begin stapling each pin down beginning close to the end of the first bobby pin and moving further away on each successive one
    Bobby Pin Thumb Piano
  11. Then bend up the ends of each bobby pin at the staple.
  12. Bobby Pin Thumb Piano - bend pins up at the staple
    Bobby Pin Thumb Piano - view the longer end pin
    Bobby Pin Thumb Piano - view from the edge and up
  13. Now test out each note. She found the shortest one to be too twangy, so we added a few staples in the middle to hold the bobby pin down better.
  14. Bobby Pin Thumb Piano - add additional staples if sound not quite right

  15. Use markers to decorate and enjoy your new instrument. Note: Here is a photo of the one she made when she was 5 and the one she made today. :)
  16. Bobby Pin Thumb Piano - decorate with markers
    Bobby Pin Thumb Piano - finished piano
    Bobby Pin Thumb Piano - original and new one

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