Make invisible Ink

Do you want to make a secret letter for someone,a map,a secret message,a secret picture,and so on.
So the question is how to write an invisible message,no doubt you will need an invisible ink that is invisible but appears when needed,I will tell you  how make one

Method 1:

Things you will need:

1. Some lemons.
2.A paint brush.
3.A bowl.
4 a paper to write

What to do:

1 Take the bowl and Squeeze the lemon juice in it.
2.Take the brush and dip it in the lemon juice.
3. Write with the lemon juice on the paper.
4.wait for it to dry and disappear
5.Now,when you want to the message to reappear heat it in front of a bulb or candle flame.

Viola! Your secret is ready.!!!