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How to Make Invisible Ink

To make invisible ink, you only need a few ingredients - and a lot of patience! Grab a lemon and watch how it's done.
Length 02:05 Premiere: 05/01/16

Full-Time Kid

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Coral and blue background. Text reads Three production facilities create hundreds of hours of educational, cultural, and public affairs content each yearCoral and blue background. Text reads Three production facilities create hundreds of hours of educational, cultural, and public affairs content each year

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