Science Toys & Kits Thames & Kosmos | Crystal Growing

Product Description

Grow Sparkling, Colorful 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. This Kit Includes Four Packets Of Crystal-Growing Salt And Two Dyes (Red And Blue) So You Can Grow A Variety Of Crystals In Different Sizes And Colors.