Children can learn about geology while making their own sparkling crystals with the Smithsonian Crystal Growing Kit. Kids create nine grow-your-own crystals in a rainbow of hues and a number of shapes. Set includes packet of crystal growing chemicals, growing cups, plaster of Paris, measuring cup, magnifier, spatula, base rocks, safety goggles, instructions, and six display pedestals. Ages 10+. More at Young Explorers.
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