This is a cheap laser pointer connected to a 4AA Battery case with switch housed inside a lego box. The idea is the sensor will be held in another lego box of the same size.. this will allow for quick aiming and the 4AA batteries allow for a very long battery life :D
I am currently working on an installation for The Edge (http://edgeqld.org.au/) that is a continuation of my Laser Gameboy installation
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