Smithsonian - Crystal Growing
Learn about Crystalline habits when you study and grow three crystal formations. It's as simple as putting water in a glass, stirring powder over the granite rocks then adding green or yellow or blue coloring. Then sit back and watch in fascination as your crystals grow. For ages 10+. ADULT SUPERVISION REQUIRED.
1 pair of goggles, 2 mixing sticks, 1 magnifying glass, 1 bag of granite stones,1 growing blister tray, 23 inch x 17 inch color poster, instructions.
SORRY, SHIPS TO U.S. ONLY.