How to Make Invisible Ink

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Tutorial how to make invisible ink using lemon juice.

Step 1: Step 1: Materials

You will need:

A Lemon

A spoon (for stirring) - Did not use it in this tutorial

A cup to hold lemon juice

A small bottom (contain some water)

A cotton bud

Piece of paper

Step 2: Step 2: Prepare Lemon Juice

Cut the lemon and squeeze the juice into a container

Add few drop of waters and mix

Step 3: Step 3: Write Invisible Ink on Paper

I strip of cotton off to have finer writing

Give it sometime for ink to dry

Step 4: Step 4: Reveal the Hidden Writting

I use the matches, lightly behind the writting

The letter will be reveal by heat source

Thanks for follow my tutorial
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    4 Discussions

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    Sparkle585

    2 years ago

    Can you use other ways of getting it to show up

    0
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    Haribalan

    2 years ago

    SSSUUUPPPEEERRR

    0
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    DonCesare

    2 years ago

    Awesome. I used to do this when I was a kid. I used an iron instead of fire. Just inserted the paper inside an old tshirt and ironed it. Fun instructable thank you!!