How would you like to take that toy phaser of yours and make it really work? Well an enterprising fan has done just that, or something close, by taking a TOS phaser toys and installing a lasers (in both Blue and Green). You may not be able to vaporize Klingons, but balloons don’t stand a chance. Check out videos below, plus a link to instructions on how you can do it yourself.
A phaser of your own
Here new are the videos of the of the home made phaser mods.
and Green beam
JayRob has also posted a tutorial of instructions on how you can do it yourself at laserpointerforums.com. These include a full set of photos to make it easy to do for those with some experience with electronics.