Discover how the earth's amazing history is recorded in rocks. The Rock Science section of Educational Toys Planet contains science kits and educational toys that will enrich children in their knowledge of geology and natural history. Minerals learning science kits, grow crystals kits, rock collections, rock tumbling machines and more exciting toys will bring science learning fun experience for your kids. Manipulate the oldest objects on the planet, rocks, with the science toys from the Rock Science department. Explore, experiment and find with the rock science toys.