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Thames & Kosmos Crystal Growing

REP922748 0814743010444 REP922748

Thames & Kosmos

Thames & Kosmos
2025-11-07 USD 74.24

$ 74.24 $ 74.99

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Thames & Kosmos Crystal Growing
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Suggested Age: 10 Years and Up
Educational Focus: Geology
• Grow dozens of dazzling crystals with this classic science kit
• Experiment with different types of crystals and learn about their strucure and geometry.
• Craft crystal geodes and fun plaster shapes--including stars, lightning bolts, dolphins and pyramids--for you to grow crystals on.
• Use dyes to grow a rainbow of custom colors and display your crystal creations in the included treasure chest.
• Includes a 32-page, full-color manual with step-by-step instructions and fun and straightforward scientific explanations and facts.
Grow dozens of dazzling crystals and conduct 15 illuminating experiments with this classic science kit. Experiment with four chemically different crystals each with different properties, including potassium alum crystals that form regular octahedrons, rapidly growing sodium sulfate crystals, long needle-shaped sodium acetate crystals, and plaster which is made from gypsum crystals.