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Apr 22, 2010

How To: Quick and Easy LED-Lit Sea Urchins

urchin - 28I know what you're saying: to make this work, you have to have access to dried sea urchins and know abit about LEDs.

Or, maybe its an excuse to GET some sea urchins (.95 a piece here) and learn that all you need to make an LED "Throwie"  is a two-pin diode and a battery.

urchin - 07

"Last week we came across these tiny sea urchin shells at a beach shop, thin and light as eggshells. What to do with them? Light them up with LEDs, of course! We've seen sea urchin lamps before, but they've always been made with large (i.e., sturdy) and colorful ones. In contrast, these tiny ones might be better to hang around christmas lights like little paper lanterns. Just a throwie sans magnet (Urchie?), tucked into the shell. Each one has a hole in the bottom large enough to fit a pretty good size LED, although not necessarily the battery as well."

Quick Project: LED-lit Sea Urchins from Evil Mad Scientist

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