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The classic potato-clock science fair experiment is now packaged neatly in a box.
Learn about the secret charging power of the world around you with this simple guide to jolting and volting potatoes, lemons, tomatoes, and other household familiars. Equipped with a small digital clock, pots, connecting wire, transparent tapes, cooper and zinc strips, and a very detailed set of instructions to make the magic happen, you won't need anything else except the potatoes themselves. Any kid with myriad questions and an ambitious attitude will adore the chance to make something out of nothing. You'll certainly know what time it is when you're through, and you'll save on the electric bill!
Challenging puzzles inspired by great scientific minds from history.$14.99
Boys are fun-loving and intelligent creatures who enjoy life and get excited when you buy them cool presents. A sure-fire way to bring a smile to any boy’s face is to give them chocolate. They also love remote control toys and being creative, as well as gadgets and unusual books to read.