Diy Invisible Ink Pen. This is a really cool diy. Make sure to vote for me!
In this video i will show you how to make an invisible ink pen. With this instructable, you can easily do s… Using invisible ink is a cool way to hide your messages until its time for them to be read.
Squeeze lemons to obtain their juice or obtain bottled lemon juice.
If you think pesky spies are afoot and don't want them reading your letters or grocery lists, it's easy to make invisible ink. When you are ready to read your invisible message, hold the paper up to sunlight, a light bulb (recommended), or another heat source. Make this crazy cool invisible ink marker using just 3 ingredients most likely how the founding fathers did it in national treasure's version of history. How to make invisible ink.