not sure.. but you'd have to have a skilled metal worker to make the case... a skilled electronic guy to make the circuit board and make it work with the tesla coil... and a physics guy to work out the magnetic field and everything... pretty tough stuff
'Unlike the lightsabres in the starwars movies, the energy in this lightsabre is quite unable to cut through a 3 foot solid steel door. It however, will cut through and cautarise any type of organic material. Which is good enough for close quarters combat.'
i think i'll stick with my samerai sword, probably because it does the exact same thing with a lot cheaper prize.
It's physically impossible for you to lick your elbow when intact to your miserable body.