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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!
Eleven year old boys are still boys rather than teenagers. A serious outdoor kite makes a great present for an 11 year old, but if they are getting seriously into style, a piece of room decoration might be welcome. Construction kits that involve the opportunity to build cool, outlandish models are popular at this age.