I went to the Music House Museum in Acme Michigan and was shocked by the beautiful percussion instruments that are inside some of these self playing instruments.  Check out this link for the museum:   http://www.musichouse.org/

 

amazing the size of this

amazing the size of this

back of the music box

back of the music box

bass drum on the inside of one of the music boxes

bass drum on the inside of one of the music boxes

chimes

chimes

large music box

large music box

music box

music box

Percussion Instruments

Percussion Instruments

Percussion Instruments

Percussion Instruments

snare drum

snare drum

The largest of the self playing music boxes

The largest of the self playing music boxes

tuned sleigh bells

tuned sleigh bells

xylophone

xylophone