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Signing UpStep 1What you need
- Two soda bottle caps
- Some wires
- Hot glue gun
- Pen cap
- One LED (any color, I used white)Superbright would be best but I didn't have one
- Button-cell batteries (enough to power the LED)
- One switch or push button thingy
- X-acto knife
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Sunbanks (author)
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gmjhowe
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