- Half a lemon/lemon juice
- A few drops of water
- A spoon
- A bowl
- A lamp/lightbulb/flashlight
- With some adult help, squeeze out the lemon or pour out 2 tablespoons of lemon into your bowl.
- Add a few drops of water into the bowl, then mix with your spoon.
- Using the Q-tip, write your secret message onto the paper.
- Wait for your message to fully dry, then put it up to a light to uncover your message!