ThinkGeek :: Electronic Gadgets for the Evil Genius : 28 Build-It Yourself

Create, Design, and Build Your Own:
* Mass Driver
* Pyrotechnic Blaster (used in metal design)
* Magnetic Pulse Can Crusher
* Robotic Control and other Circuits Disabler with Pulse
* Generator
* Object Catapult
* Electromagnetic Launcher
* Laser Beam Cutter
* Body Heat Detector
* Lightning Bolt Generator
* Object Levitation Device
* Infrared Viewer
* Laser Listening System
* Traveling Wave Generator
* Multi Vortex Plasma Tornado
* Working Star Wars-like Light Saber
* Ultrasonic Microphone
* Marx Impulse Generator
* Sonic Phaser Cannon
* Centrifuge Design
* Vortex Smoke Ring Machine
* Electronic Ventriloquism System
* Tesla Coil Creation

Muhahaha! My first step towards WORLD DOMINATION!