National Geographic rock and mineral tools game, multicolored, Rtngdino2Int

Learn amazing facts about geology while playing! Play a memory card game about minerals or a mineral trivia game and classic card games with the rock set. More than 75 rock and mineral samples. Rocks come in a convenient carrying/storage bag. A complete set of playing cards in the set. The playing cards contain facts about each gemstone in the set, great for use as trivia cards.