Smithsonian Electronic Crystal Growing Kit

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The Smithsonian Electronic Crystal Growing Kit gives kids all the tools they need to grow frosty diamond-shaped crystals using potassium sulfate and spiky crystals with ammonium phosphate—ten crystals in total. And if that weren't cool enough, an LED light-up base makes the crystals change color.

Kit includes 2 bags of chemicals, 3 bottles of coloring dye, LED light base, clear tray, a pair of goggles, 2 mixing sticks, a bag of granite stones, a magnifying glass, and a color poster with detailed instructions.

Museum Story

The Smithsonian's National Museum of Natural History is the world's preeminent museum and research complex dedicated to inspiring curiosity, discovery, and learning about the natural world through its unparalleled research, collections, exhibitions and educational outreach programs.


  • Ages 10+
  • Plastic
  • 14" x 1.5" x 10.75"
  • 1 CR2032 3V battery included
  • Made in China