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Invisible Ink Science

KidsChemistryDIYExperimentsHow-toKids 110Kids 115Kids 120Science
Learn the science behind invisible ink and make your own, too!
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How To Make Alum Crystals

KidsChemistryExperimentsHow-toKids 110Kids 115Kids 120Science
Today we are going to learn how to make crystals with alum powder!