This particular instrument appears to be made of glass. When I played my viola, the instrument and the music emanating from it seemed to take on a life of its own. <--- Thats what the last person said, I completely agree, but I play the violin
This violin makers shop by W. Foster Tracy, is a miniature built inside a full-size violin. It was on display at the Mini Time Machine Museum of Miniatures, Tucson, Arizona. All completed instruments and tools are fully functional in this model.