When I was a teenager I opened a disposable camera to explore its contents; the flash was charged when I touched the circuit and I got the SHOCK of my life. I learned about capacitors the stupid way.
IIRC they were rated at 600v, and would leave black indents in the skin.
Kids are effing stupid…
You'll get a nice, painful reminder to respect electricity that'll last a few days, and not be in any actual danger.
(I also did the exact same thing as a teenager)