Hidden gemstones await in this National Geographic Starter Rock Tumbler Kit. The young geologist in your life will be fascinated by the process of ...
View full details
Grow an awesome purple crystal with the National Geographic Purple Crystal Growing Lab! Easy-to-follow instructions lead you through the crystal gr...
View full details
4M deluxe crystal growing combo steam science kit. Create your own stunning crystal collection! Follow simple steps to grow over 10 crystals includ...
View full details
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...
View full details
Tip the hourglass and watch the "sand" create amazing designs. Lovely to look at, the Magnetic Sand Timer makes instant magnetic sand sculptures! H...
View full details
