"This kit lets you grow crystals easily and safely. Grow three beautiful crystal formations by just adding water! Learn about crystalline habitats and crystal structures. For ages 10 and up. Contents: Pair of goggles, 2 mixing sticks, Magnifying glass, Measuring cup, Bag of granite stones, Growing blister tray, Color poster with instructions (23"" x 17""/58cm x 43cm), Learn about crystalline habitats and crystal structures by growing your own crystals."