I have made a similar video in the past, but it was restricted for being "too dangerous". So, here I show what I do step by step to build this laser in detail, but do not encourage my viewers to do the same. :p
Check out laserpointerforums.com to learn more about laser pointers, lasers, and laser pointer companies! I have been a member there for 8 years, and have received a bunch of help from the knowledgeable members there!