Thames & Kosmos Crystal Growing Science Kit Only $15.17 (Was $39.95)

Amazon has the Thames & Kosmos Crystal Growing Science Kit Grow Over A Dozen Crystals with 15 Experiments, Includes Storage Case & 32 Page Color Laboratory Manual marked down from $39.95 to $15.17 and it ships for free with your Prime Membership or any $25 purchase. That is 62% off retail!

• Learn about the structure and geometry of crystals
• Grow dozens of dazzling crystals
• Mold fun plaster shapes and use dyes to grow a rainbow of custom colors
• Over 1 million kits sold world-wide
• Includes 32-page full-color manual

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