Maker Lab - Light Up Rocks & Gems CollectionWARNING: CHOKING HAZARD Small Parts. Not for children under 3 years. 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