Discover 13 rocks, gems, & minerals, including obsidian, sodalite, woodstone, and more Learn about geology and practice real gem identification methods Includes a bonus miniature obsidian dig with an additional hidden gem Encourages observation, classification, and critical thinking through hands-on discovery Recommended for ages 4 and up Unearth hidden treasures and explore the science of geology with the NOVA Obsidian Excavation Lab! Young scientists chip and chisel away at a mysterious obsidian replica to reveal a collection of real gems, rocks, and minerals. With each discovery, kids learn how to identify their finds using real gemologist methods—matching, testing, and classifying stones just like the pros.Once all the stones are uncovered, builders can apply their new excavation and identification skills to the bonus miniature obsidian dig for even more hands-on exploration. Designed to inspire curiosity and confidence, this engaging science kit introduces geology basics through tactile, rewarding play.About NOVASince 1974, NOVA has been demystifying the science and technology that shape and define our lives, planet, and universe. Every year, more than 55 million Americans, including science educators and their students, watch this series for inspiring stories of human ingenuity, exploration, and the quest for knowledge.Includes:• Gem-filled Obsidian Dig with 12 stunning gems• Bonus Mini Obsidian Dig with bonus gem• 2 chisels and hammer• Excavation brush and sponge• Guidebook Age Recommendation: Ages 4 and up
