Blue Marble National Geographic RTNGRKMEM Rock + Mineral Card Games

Discover the Blue Marble National Geographic Rock + Mineral Card Games—a fun twist on classic card games! This 52-card deck comes with over 75 genuine gemstones and features fascinating facts about rocks, minerals, and gems on every card. Enjoy trivia and memory games that spark curiosity and learning, with easy instructions included. Plus, a handy storage bag keeps all your sparkling specimens safe. Perfect for playtime that’s both entertaining and educational!