On Sunday, December 17, 2017 at 6:59:54 PM UTC-6, Electric Comet wrote:

now if they could be arranged so they play a melody somehow that
would be a plus

Music box mechanism. Wind mill turns a cylinder with dowels sticking out. Dowels are position appropriately to hit the tone-boards for the tune.

"Fur Elise" cylinder might be easy to make. Post pics when done.

Sonny