Delve into mystery of what treasures rest deep inside the earth as you uncover the 12 genuine gemstones inside this giant piece of geode! Uncover stones like jasper, amethyst and tiger's eye, then use the gem identification poster learn more about each one, complete with scientific, historical and mythological facts! Just soak the gem in a bowl or sink, chip away with your chisels, and discover! Giant Gem contains 12 different gemstones to discover inside, plus one bonus mini dig! For ages 4 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.