The Smithsonian LED Crystal Growing Kit

From the Smithsonian—the world's preeminent museum and research complex—this is the crystal growing kit with a light-up display base that makes the crystals change color. Budding geologists will observe crystalline habitats and structures firsthand as they grow five spiky crystals and five frosty diamond-shaped crystals using the included ammonium phosphate and potassium sulfate powder. After the crystals have fully formed, they can be displayed on the LED base that shines colored lights to highlight each sample’s unique formations. Comes with three bottles of coloring dye, clear tray, goggles, two mixing sticks, a bag of granite stones, a magnifying glass, and a color poster with detailed instructions. Includes CR2032 battery. Ages 10 and up. Box 1 1/2" H x 10 3/4" W x 14" L.