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"orange de méthyle"
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Ward's® Nylon Rope Trick and Synthesis Kit
Impress your students with this fun demonstration.
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Energy Burst
WARNING: CHOKING HAZARD–Product contains a marble. Not for children under 3 yrs.
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Mad Science Products Apr15-3
NOTICE: CONFORMS TO ASTM D-4236.
WARNING: CHOKING HAZARD–Small Parts. Not for children under 3 yrs.
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