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Would you like it learn to make invisible ink? With it you can then play detectives, or surprise someone with a 'secret' message that you can only see with some indications.
Making invisible ink is very easy. This is a very fun experiment, and you don't need a lot of materials. We tell you how to make homemade invisible ink and we give you up to three different recipes or formulas. Choose the one you like!
- Half lemon
- Cotton swabs
- Baking soda
- Watercolor or tempera
- A flashlight
We explain how to make invisible ink at home, with simple materials. You can do it in three different ways. Here are the three possibilities:
1. First formula to make invisible ink. For the first invisible ink formula, you need these materials:
- Cotton swab
- A flashlight or lamp
The first way to make invisible ink is the most classic and well-known. You only need to squeeze lemon. You will use the lemon juice as your ink. With a cotton swab or toothpick, you can write whatever you want. You must let it dry before sending the note.
The one who receives it, must apply heat if you want to discover the message or put it up to the light. One tip: when using this type of ink, look for thicker paper.
2. Second formula to make invisible ink. For the second formula you need:
- A candle
- A brush
You will see how easy to do: Use the candle to write, as a pencil. Write whatever you want. What does it seem that there is nothing written? Of course, do not use colored candles because then it will be seen ...
And how do we decipher the message later? With watercolor! Pour a little tempera into a glass with a little water. Stir well. Do you already have your color? Now, with the help of a brush, paint the sheet and… you have it! Localized message!
3. Third formula to make invisible ink. We go with the third way to make invisible ink. You will need to:
- Baking soda
- A cotton bud or stick
- Grape juice
Mix some baking soda with water. This will be your invisible ink. Write what you want and let it dry.
To decipher the message, you must go over it, with the help of a brush, a little grape juice or wort. And mystery solved!
Play with this fun experiment and dedicate secret messages to whoever you want.