Step 3: Conclusion and Results
If you are having problems, make sure you don't have shorts in the cells (coins touching), your electrolyte is conductive and acidic or basic, and that the battery fits properly in the compartment. Check polarity, remember the cathode (-) is the penny side. If you look closely in one of the attached images, you'll see I forgot too. :)
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Remember to vote for this Instructable in the Make It Glow! challenge. We just made something glow (blindingly) with spare change! Also, vote in the Pocket Sized Contest, since it is pocket sized, as is the flashlight, and it uses pocket change. Also entered in the Mad Science Fair.
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