Get ready to strike geological gold! The NOVA Obsidian Excavation Lab transforms your budding geologist into a treasure hunter. Grab your chisel and hammer, then crack open the mystery obsidian block to unleash 12 dazzling gems hiding inside. Learn the secrets of real gemologists—spot patterns, run tests, and sort your sparkling finds like a pro. Think you're done? Not quite! The bonus mini dig keeps the adventure rolling with even more gems to uncover. With your trusty excavation brush, guidebook, and tools in hand, you'll discover that geology isn't just rocks—it's an exciting quest for hidden wonders. Perfect for curious minds ages 4 and up who are ready to dig deeper into science.