How to Make Invisible Ink

Simple way to make invisible ink

Step 1: Make Invisible Ink

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To make invisible ink you will need

  • lime or lemon
  • something to write with
  • paper
  • candle and matches

Take a lime/ lemon juice and write text with in on paper. After drying text is invisible. Light up candle and place paper over it - paper starts to heat and written text become visible.

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