Potato Clock - Make a Potato Battery to Power an LED Clock

1. If there is a battery already in the clock, remove it.
2. Insert a galvanized nail into each potato.
3. Insert a short piece of copper wire into each potato. Put the wire as far as possible from the nail.
4. Use an alligator clip to connect the copper wire of one potato to the positive (+) terminal of the clock's battery compartment.
5. Use another alligator clip to connect the nail in the other potato to the negative (-) terminal in the clock's battery compartment.
6. Use the third alligator clip to connect the nail in potato one to the copper wire in potato two.
7. Set your clock.

Index: Potato Clock - Make a Potato Battery to Power an LED Clock

1. Potato Battery - Introduction
2. Materials for a Potato Clock
3. How to Make a Potato Clock
4. Potato Battery - More Fun Things to Try