Book excerpt: ENGAGE YOUR WARPED SENSE OF HUMOR WITH HUNDREDS OF PRACTICAL GAG DEVICES YOU BUILD YOURSELF! Give your friends and family the shock of their lives! 51 High-Tech Practical Jokes for the Evil Genius has everything you need to pull devastatingly funny (and safe!) technical pranks. From the “evasive beeping thing” to “rats in the walls” to the “rigged lie detector,” you’ll find a plethora of pranks that will feed your inner hacker while you create a state of utter confusion around you! Using easy-to-find parts and tools that all Evil Geniuses can get their hands on, these well-played yet harmless pranks will confound your unsuspecting targets every time. Plus, every gadget can be mixed and matched, allowing you to create hundreds of larger, even more twisted evil prank devices! 51 High-Tech Practical Jokes for the Evil Genius gives you: Instructions and plans for 51 simple-to-advanced projects, complete with 200 how-to illustrations that let you build each device visually Frustration-factor removal—all the needed parts are listed, along with sources Video links to many of the practical jokes on YouTube.com 51 High-Tech Practical Jokes for the Evil Genius provides you with all the instructions, parts lists, and sources you need to pull hilarious pranks, such as: Evasive random beeping things Dripping faucet simulator Hungry garbage can critter Humungous dropping spider Horrible computer failure TV remote control jammer Possessed animatronic doll Flying Ouija board Voices from the grave The barbecue box Ultrasimple pulse shocker Disposable camera taser Ghost door knocker Radio station blocker And many more!