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These LED sea urchins would make great party decor or even night lights! Evil Mad Scientist Laboratories shows us how to wire up this super-simple (two parts!) circuit.

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Limpet Shell Electronics

Becky Stern

Becky Stern

Becky Stern (sternlab.org is a DIY guru and director of wearable electronics at Adafruit. She publishes a new project video every week and hosts a live show on YouTube. Formerly Becky was Senior Video Producer for MAKE. Becky lives in Brooklyn, NY and belongs to art groups Free Art & Technology (“release early, often, and with rap music”) and Madagascar Institute (“fear is never boring”).