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 $19.95 and it ships for free with your Prime Membership or any $25 purchase. That is 50% 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
Amazon pricing changes frequently, so this deal may expire at any time. See more Amazon Toy Deals!
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