Supplies 1 Altoids' tin1 double AAA battery holder1 switch with mounting bracket1 noise maker of your choice1 small wire nutSilicone Electrical tape (optional) First sorry that I don't have step by step pictures but I'll try my best to explain everything clearly. Anyway first you are going t...By: mikes_creating
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from Instructables: exploring - technology - robots http://ift.tt/1CEK4Hz
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