Name: Grow a Green Crystal
Brand: Thames & Kosmos
SKU: 27487
Price: 5.99 USD
Availability: OutOfStock

Grow sparkling, green crystals overnight from a safe solution of potassium aluminum sulfate. Single out the largest crystal shard, redissolve the remaining crystals, and repeat the crystal formation process to grow a larger, more striking crystal. These kits include all the materials and tools you need to grow a single crystal, as well as a small hexagonal storage box in which to keep your crystal safe. Also available in pink and blue.

Ages 8+

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