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Write Messages with Homemade Invisible Ink

by Vanessa M (follow)
Easy (31)      Fun (22)      Cheap (6)      Art and craft (6)     
Did you know that the lemon juice you have sitting in your fridge makes great invisible ink? You can write whatever you want with it and no-one will be able to read the message until heat makes the words turn brown.

It's the kind of knowledge that kids can have all sorts of fun with. It's also good for school projects, and I'm sure parents will find uses for it too, as the finished product does look quite cool.

Time: 10 minutes

Materials
Lemon Juice
Paintbrush
Paper
Lid or small container
Toaster
Tongs



invisible ink materials


Method
Set up the lemon juice like you would paint i.e. pour a small amount of lemon juice into a lid.



invisible ink materials


Using the lemon juice, write your message on the paper with the paintbrush.



invisible ink materials


This last step is for the recipient of your secret message.

Hold the paper over the toaster with the tongs until the words appear.



invisible ink lemon juice secret message




invisible ink lemon juice secret message


Categories
#Cheap
#Easy
#Fun
#Art and Craft
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