all you need to know is in the pictures 8)
the flyswatter costed me about 3 dollars i guess and as paaiyan sad, a little more voltage and there you go

all you need are the chips inside the flyswatter, a couple cables and a working brain

btw. i tried to put 18V on it... but it didn`t work out to well. it zapped just once and made a weird RRRRR sound

the flyswatter used was something similiar to this:
