geology

Turn rough rocks into beautiful polished gemstones with our high-quality rock tumblers. These powerful tumbling machines are perfect for beginners ...

Simulate the epic, earth-shattering power of a volcano in your own home! Build a huge volcano model with a sturdy frame that effortlessly slides to...

4M deluxe crystal growing combo steam science kit. Create your own stunning crystal collection! Follow simple steps to grow over 10 crystals includ...