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That shouldn't be too hard.

A box with a hinged door on the top. Put Jack on a spring and affix it to the bottom inside of the box. Attatch a crank opperated music box. Add an arm that would release a latch on the door when it hits a certain point in the song. The door itself would be opened by Jack's mighty kinetic energy once the door is no longer holding him back.

Thats how you do it!!!!!!!!!!

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14y ago

What else can I help you with?