Repairing a Reuge Dancing Clown Music Box

I had seen "Dancing Man" around my in-law's house since my wife and I started dating in the late 80's (Just to be clear, 1980s as opposed to 1880s.)
Dancing Man is actually a clown. He lives in a tent shaped wooden windup music box. The "Can-can" plays while he does a goofy unpredictable dance....