Homebrew Nintendo laser zapper is powerful, awesome

"The plan was simple. Take a nostalgic NES "duck hunt" Zapper, and retrofit it with a ridiculously powerful laser."

A project from North Street Labs. In case it's not obvious, this is dangerous, and could lead to death or blindness without safety precautions.

Components: "2.1A input buck driver, 2x 750mAh 35-70c Lipo batteries, M140 445nm diode, G2 lens. homemade custom heat-sink, turn key safety switch."

Learn how to build your own, here. But remember, kids, always wear protective safety goggles. And, wear the right kind for the laser you're working with. [Video Link].