Products tagged with Blue Marble

An easy start to rock tumbling!

With its simple, quality, leak-proof design and functionality, this rock tumbler gives young geologists an easy start to a fascinating hobby they'll enjoy for life.

The National Geographic Treasure Mini Dig Kit makes geology surprising and fun! That’s because you won’t know if a pyrite, aragonite, or tiger’s eye specimen is inside until you dig!

Excitement and discovery - kids will uncover dazzling amethyst, quartz, and tiger's eye gemstones to add to their rock collection

Glowing crystals - the perfect family activity. Become a scientist and grow amazing crystals that actually glow-in-the-dark!

The National Geographic Explorer Sensory Science Kit is a one-stop science pack with awesome slimes, putty, and play sand! You get one pound of natural play sand, six sand molds and a convenient play tray.

Explore geodes that contain amazing crystal formations inside
Learn about how geodes form in our detailed learning guide