1. Get two Potatoes
2. Place two galvanized nails into the potatoes(One in each)
3. Place one copper penny into both potatoes
4. Connect a wire with alligator ends on one potato to the penny and the other end to the nail of the other potato.
5. Connect one wire from the penny of the one potato to one connector of the calculator, then the other wire from the nail of the remaining potato to the other connector on the calculator.
6. The calculator display lights up.
2. Place two galvanized nails into the potatoes(One in each)
3. Place one copper penny into both potatoes
4. Connect a wire with alligator ends on one potato to the penny and the other end to the nail of the other potato.
5. Connect one wire from the penny of the one potato to one connector of the calculator, then the other wire from the nail of the remaining potato to the other connector on the calculator.
6. The calculator display lights up.