A Blu-Ray laser module from a PS3 replacement drive was used in this laser. It is powered by 4 AAAs and outputs about 10 mW. The case is designed by me but laser cut by a great company called Ponoko. It is made of 3mm black acrylic.
Laser Case and Stand
The Stand
Engraved Warning
Engraved Text
Pull Wire to Expose Batteries
Four AAAs