Thursday, May 9, 2019

Thames & Kosmos Crystal Growing Science Kit $18.93 (regularly $39.95) at Amazon

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Amazon has the Thames & Kosmos Crystal Growing Science Kit on sale for $18.93, down from $39.95.

Grow dozens of dazzling crystals and conduct 15 illuminating experiments with this classic science kit. Experiment with four chemically different crystals each with different properties, including potassium alum crystals that form regular octahedrons, rapidly growing sodium sulfate crystals, long needle-shaped sodium acetate crystals, and plaster which is made from gypsum crystals. 

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