LASERPEN the LASER PEN

LASERPEN is a LASER PEN!!! Check out how I made it and what it does!
...oh, and of course, don't try this at home.. it ain't safe!

Shopping List :
-3M Respirator : https://amzn.to/2X9yIum
-3M vapor cartridges : https://amzn.to/34WCLgf