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Crystal Growing STEM

Thames & Kosmos

Regular price $13.99

Unit price per 

only 2 left in stock

Grow sparkling, colourful 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 colours.

  • Classic, perennially appealing science activity kits at great prices
  • Fast, fun, and simple experiments
  • Three-language packaging and manuals (English, French, Spanish)
  • Backed by 100+ years of experience in quality and safety
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