go to a small hardware store and get a pice of conductive pipe and a spring that wiggles when you shake it and is just small enough to fit in the tube...
the hard part is alligning this correctly and holding it there while you solder. the spring should not toch the tube sitting still or it wont work. s...
just build it into the throwie. that copper bit in the pic is the spring the silver below is a swith and contact tube and over on the right is the l...
a little way to make throwies that are vibration sensative
Actually I just found your instructable the other day and thought 'hm wouldn't it be even cooler if this was made to blink every time it bounced?' I had actually forgotten my own instructable. If you do make one vid it and upload it to yourtub.
no need. wire the battery, the light, and the spring switch in series(all in a row). if you REALLY wanna make it cool, you could use a 555 timer to make it stay on for say.....5 sec after the spring is activated instead if just while its detecting motion; I'll post schematics later maybe.
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I think I'll give it a try!