Mold your own crystal geode and grow three different types of crystals! Conduct mineral Identification tests of real specimens. Manufacturered by Thames & Kosmos. Learn about the geologic rock cycle and the three main categories of rock-igneouss sedimentary and metamorphic. Includes a 32-page full-color manual with step-by-step instructions and fun and straightforward scientific explanations and facts. Unearth the secrets of rocks and minerals and the crystals that form them with this Introductory geology lab for kids ages 8 and up.