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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 colorchanging 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.