5 Answers. In five nights at Freddy’s 2 the music box is used to keep the marionette in a box…. So the marionnette can ‘t get out of the box. It was added because when you are in Freddy Fazzbears head, you do no have access to the cameras.

How do you wind the music box in FNAF 2?

How a wind up music box works?

A music box works by rotating a metal cylinder with protruding pins that pluck the individual prongs of a steel comb. The sounds that resonate from the vibrating prongs are the notes we hear-lower notes from longer prongs and higher notes from shorter ones…. Music boxes have been around since the 18th century. Dec 8, 2015

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