Homesciencetools

Learn about electrolysis with the Electrolyte Challenge Sensor Kit. Build your own concentration sensor and test drinks with the home electrolyte test kit.

Electrolyte Challenge Sensor Kit

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Version 1

Mega Cyborg Hand - Thames & Kosmos

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Mineral Test Kit

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#3 rubber stoppers with 18-24 mm diameter &amp; one 4 mm diameter hole. They fit 50-100 ml HST Erlenmeyer flasks, liter soda bottles &amp; extra large test tubes.

Rubber Stopper, #3, 1-hole

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Advanced Binocular Laboratory Microscope | HST

Advanced Binocular Microscope

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