like a fireworks like a laser pen pattern

http://www.kitlaser.com/is-it-possible-to-use-a-laser-pen-for-recreation.html
Kitlaser wholesale laser pointer shop throughout the online store and local. This pointer is only in less than 24 hours to achieve continuous testing of the laser and its stability and high reliability maintenance. If you have been accustomed to the color of the laser light produced by the blue laser diode. From the beginning of the emergence of the green laser pen, I just made a wonderful idea of ​​changing the projection point of the green laser in the laser beam.