Invisible Ink
![IMG_1771.jpg](/proxy/?url=https://content.instructables.com/FIM/B6CM/L3OGH5QU/FIMB6CML3OGH5QU.jpg&filename=IMG_1771.jpg)
This will show you how to make invisible ink.
Supplies
- baking soda
- water
- cotton swab
- cup
- highlighter
- a black light.
Gather Materials
get your materials ready to start
Mix Two Tablespoons of Water and Baking Soda
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Add the Highlighter Liquid to the Baking Soda and Water Mixture
Get Your Cotton Swab and Dip It in the Mixture and Write Your Message
Let It Dry
![IMG_1772.jpg](/proxy/?url=https://content.instructables.com/FEL/DZKR/L3OGH5QT/FELDZKRL3OGH5QT.jpg&filename=IMG_1772.jpg)