Get the stone-cold facts on rocks!Packed with 29 unique rocks, gems, and minerals, this is the perfect kit to start or expand a rock collection. Build a color-changing light-up display with an agate slice: use it as a lamp, or study the stones up close with the included magnifying glass. Learn fun facts about each rock in the fully colored 32-page book including 6 experiments and activities with easy-to-find ingredients from home.Need to Know:32-page book with details on every rock included, plus 6 additional activities, promotes earth science and the study of minerals.29 unique rocks, gems, and minerals from rainbow-flecked crystal opal to metallic gold radial pyrite.Use the color changing display light to make a shining crystal agate slice lamp.3AA batteries not includedComes with: Blue Agate Slice + 28 new rocks, materials to build a display light, magnify glass