Presto! Clock Reaction Kit


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Presto! Clock Reaction Kit
CK-400

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$7.95 ea.

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Presto! Clock Reaction CLASS KIT
CK-415

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1 or more:

$39.95 ea.

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Make 2 chemical solutions and mix them together. Wait a few seconds, then wow! It will suddenly change colors. This is the famous iodine clock reaction in an easy to use kit. Change the concentrations or temperature and change the delay for the color change. Do the clock reaction with Eco-foam. Learn about solutions and rates of reaction (kinetics). Contains: starch solution. sodium iodate, sodium sulfite, citric acid, sodium thiosulfate, eco-foam, spoons, small scoops, cups, rack and instructions. Ages 9+ with adult supervision.

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