Great Geysers Kit
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Description:
* 1 quick-release tube with restrictor valve * 2 tubes of 14 (each) Mentos mint candy * 2 Test-tubes * 1 Magnifying glass * 1 sachet each: * Citric Acid * Sodium Bicarbonate * Sodium Chloride * Rock Salt * Dried macaroni * 1...
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$14.99
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