Laser Tag has been around for ages and now the technology that created laser tag has become affordable to make your own setup. This guide has everything you'll need to get going making your own custom laser tag weaponry along with several example designs.
PyroFactor: 
May 17th, 2008 at 6:36 am
Take care not to aim at eyes, durring thoses combats.
May 26th, 2008 at 6:05 pm
Don’t worry about eyes, this thing uses infrared, not laser.
May 26th, 2008 at 6:55 pm
Uses focused infrared LEDs. About as dangerous as a TV remote control.