With the Crystal Caves: 2 Citrine Geodes kit from Kristal Educational, you'll watch sparkling crystals form before your eyes;A fascinating experience, this kit makes an excellent science fair project and a wonderful gift for the budding scientist;The exterior of the geode is rough, while the inside provides a glittering yellow display;Contains crystal-growing chemicals, geode mold, casting plaster, and accessories;For ages 12 and up - instruction booklet included;NA
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