LED Throwies are popular contraptions made of a battery, an LED, and a magnet all taped together. This version does not include a magnet, although it could.
This project uses the same principle as Tool Using Animal's Penny Battery and Brenn 10's Penny and Nickel Battery. It uses pennies as electrodes and vinegar water as an acid you make a battery that will power the LED.
The video that this is based on can be found here.
If you like penny batteries, you're going to love the 500 lb. potato battery.
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Signing UpStep 1: Get your supplies!
- 6 pennies
- Section of matte board or porous cloth
- Vinegar
- Salt
- LED
- Tape
- Sand paper










































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you have evidence
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7.) Tell everyone you were in a fire and saved 100 starving orphans, though you had severe burns on your face. (Sounds better than, "I was bored, so I grabbed the sander...") :)
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