DIY Stun Baton
  If you follow the instructions on this site you will end up with a Stun Baton which takes a 4 volt battery and converts it to 10,000 volts of sparking fun. Of course be very careful if you decide to take on this project since the voltages created can do some serious harm. Thanks for the tip Isaac R. “The Royer Oscillator magically turns the ~13 volts at