Collection
National Geographic Dino Egg Dig Kit
Great for kids of all ages, this Ultimate Dino Dig Kit includes play sand which never dries out, 6 dino molds and a real dinosaur coprolite (dino poop)!
Fifty Minerals that Changed the Course of History
g the word “minerals” in its broadest sense, Fifty Minerals that Changed the Course of History features the metals, alloys, rocks, and organic minerals and gemstones that humans have used as the building blocks of civilization.
The Pocket Book of Stones
The Pocket Book of Stones was created in response to demand from readers for a more portable version of Book of Stones. It is an ideal introduction for those new to the field, as well as an invaluable reference for well-versed readers.