Let’s rock and roll! Amp up your rock collection and explore the secrets of geology with the Thames & Kosmos Rock Tumbler! This custom-designed, user-friendly machine allows budding geologists and gem collectors to transform rough stones into beautiful po

Explore the world from its great cities and vast countries to its majestic mountains and mighty rivers. This ten-inch-diameter plastic globe has a light inside, allowing it to function in two modes. In its non-illuminated mode, the globe displays a detail

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 le

Unearth your inner geologist as you break open ten real geode specimens to reveal beautiful, sparkling crystals inside. Using your own hammer and the included safety goggles, crack open each whole geode to discover the natural treasures within. Then put y