NSI International 49010 Smithsonian Electronic Crystal Growing Kit

Description: NSI International 49010 Smithsonian Electronic Crystal Growing Kit 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. Features: • Ages 10+ • Plastic • 14" x 1.5" x 10.75" • 1 CR2032 3V battery included