| You will need Safety Glasses! |
| Water... |
| Some ordinary table salt... |
| A hobby transformer (The 12 volt DC type)... |
| OR a 6 volt battery... |
| Gator clips (if possible)... |
| A jar lid with a plastic inside... |
| Two paperclips bent open as shown... |
| Bring paper towels to clean up any spills. |
