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Signing UpStep 1Crap you need
1 toggle switch
1 push switch
1 old speaker/headphone cord (male)
1 9v battery
1 9v battery adapter plug in thingy
A small box to put it together in
alligator clips
headphone/speaker female plugin thingy
led if you want
some short pieces of wire
electrical tape
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http://www.instructables.com/id/Super-Cool-Electronic-Detonator/
mine has a tight switch too
type Remote Detonator with radio into the search.
just remote detonator will do but the title is above
have fun...