Website The New Hobbyst has this set of instructions on how to build yourself your very own secret switch inside a Beethoven bust.
From the article:
In the original Batman TV show Bruce Wayne used a switch hidden within a bust of Shakespeare to open a hidden entrance to the Batcave. While I don't have a hidden door to open I honestly can't think of a cooler way to turn on and off the lights to my "Mancave". So now that I had a goal in mind it was time to gather the required parts.
Adam West would be proud.
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