*Formula for Invisible Ink*

MATERIALS:

Baking Soda,
Water
Cotton swabs
Small cups
White paper
Paintbrushes
Blow dryer
Purple grape juice

INSTRUCTIONS:

1. Combine 1 tablespoon of baking soda and 1 tablespoon of water in a cup.

2. Dip Cotton swabs into the mixture and make designs on sheets of white paper.

3. When papers are completely dry, paint over the papers with purple grape juice. The designs will change from being invisible to visible.

Note: Using a blow dryer will speed the drying time.

From inmotion-pcs

Print it in Moleskine MSK format
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One Response to *Formula for Invisible Ink*

  1. Fazal Majid says:

    J. Herbin sells ready-made “Encre sympathique”. It is for use in nib holder pens, not fountain pens, however.

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