Thames & Kosmos Crystal Growing Lab
There's nothing quite like watching a crystal grow before your eyes. This Thames & Kosmos crystal lab includes enough materials to grow four different crystal formations in blue, red, yellow, and clear — each with a distinctly different crystal structure. Children dissolve mineral compounds in warm water, carefully pour solutions into the included molds, and then watch crystals nucleate and grow over 12–72 hours. The 36-page lab manual explains crystal lattice structures, supersaturation, nucleation, and why different minerals form different shapes. Also includes a crystal seed project for growing a single large crystal over several weeks. An impressive, satisfying science project with real chemistry behind it.
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