Turn 3 colorless solutions into red, white and blue! -- Make the colors disappear and reappear, do the famous disappearing ink trick, make test papers and more. Learn about the chemistry behind solutions, precipitates, acid-base reactions and pH. -- Contains: phenolphthalein solution, thymolphthalein solution, sodium carbonate, citric acid, calcium chloride, pipet, stirrers, cups and instructions.

$7.95

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The Tornado In A Jar

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