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Non-toxic, child-safe kit grows an intensely-colored crystal up to 2.75″ wide in size. The secret is in the crystal seeds which are placed on the large rock base. Small crystals will form within 24 hours and continue to grow for several days.
– Use a flashlight to check the progress of the daily growth.
– Fascinating to watch and stunning to display.
– Includes step-by-step instructions.