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Thames & Kosmos[Browse other products in this catalog]Color-Changing CrystalsAge Range8y - 100yPrice$13.95Phone800.587.2872Introduction2012TypesActivity Product, Science, Toy

Grow amazing crystals that change color! Learn about the chemical reaction that causes the beautiful shift in colors, and examine the factors that influence the reaction. Conduct a chemical analysis to better understand why the color change occurs. Show off your crystal creations in two special locking display cases.