Paper Haunted Mansion music box

https://www.youtube.com/watch?v=LcwKEoHtR6s

Ray Keim writes, "More than a decade since I first designed my New Orleans Square Haunted Mansion Paper Model Kit, I realized I could add an new spooky dimensions to it with an inexpensive hand-crank music box mechanism that plays 'Grim Grinning Ghosts'!"