Secret Invisable Ink

Children will love to write secret messages or draw a treasure map using this secret invisable ink.

Level of Difficulty: Moderate

Children will need an adult's help or supervision to use the heat source that will make their secret message appear.

Here's what you'll need...

•Small amount of lemon juice
•Small container
•Paint brush or Q-Tip
•White paper

Here's how you make it...

Dip your brush or Q-tip into the lemon juice and write your message on a piece of paper. After it's dry, hold the paper over a heat source, like a toaster or light bulb, to make your message appear (the lemmon juice will turn brown).




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