Excavate real rock and gemstone specimens with the National Geographic Outer Space Dig Kit by Blue Marble. This space-themed STEM kit includes a dig brick packed with genuine specimens such as pyrite, hematite, a geode piece, green fluorite, and red jasper, plus excavation tools, a magnifying glass, and a full-color learning guide. Designed to teach about rocks and minerals through hands-on discovery, it makes a great gift for young explorers and classroom science activities.