Disclaimer: CAUTION! As you know...lasers can be dangerous. Never point them at any living object!T his is not a toy, and this should not be used like a conventional laser pointer. In other words, don't use it in presentations, or to play with pets, or allow children to use it. It should only be operated by responsible persons who understand and respect the potential laser safety hazards.
Step 1: What we need-
2) NES Zapper
3) CR2 camera battery or comparable battery
4) Momentary Push button
5) Some extra wire, wire cutters, soldering tools, screwdrivers