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Spy Camp

Invisible Ink Message!

Soleil Kohl

How can we write a message that stays invisible before it arrives? Let's try making our own invisible ink two different ways to see what works best!

Materials Needed

Small dish or bowl

Paper

Cotton swabs

Baking soda

Water

Lemon juice

Grape juice

Lamp or heat source

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Photos From Class

Share a photo of your child enjoying this class!

Lily studying dermatoglyphics!