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: mint tin : toggle switch: 9volt battery adapter: pen spring : hot glue gun: soldering iron: drill: plyers ( long nose work best )
First get your pen spring and solder two 20cm pieces of wire to the springs ends. Then wire one ends to the switch and solder now solder one ...
This easy project works by shorting out the battery and this in turn makes heat from the spring and battery just close the lid for optimum proformance so ...
I will take no responsibility if anyone gets hurt build this at your own risk not my fault
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