This instructable is now featured in Popular Science magazine! February 2010, page 79. Look for "originally posted by Shane Dulong on instructables.com"
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Signing UpStep 1Supplies
- Battery (3 volts or bigger, within reason)
- 1 LED of your choice (4 shown)
- 1 Bic pen with translucent (partially see-through) case
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heres an example that i just grabbed from the related instructables from below, thats exactly the same thing.
www.instructables.com/id/Bic_pen_led_Lightsaber/