Light-Up Rock & Gem CollectionKL870226
Kit includes unique rocks, minerals and gems - 29 of them - with a full-color 32-page guidebook full of fun facts about each one! Study them up close with the magnifying glass, make a color-changing light-up display with the beautiful slice of agate, and perform 6 additional activities using common household ingredients. Perfect for starting or expanding a rock collection! Requires 3 AA batteries (not included).