Products tagged with Blue Marble

Genuine specimen in each kit! Excavate soft dig brick material to find your specimen. Included educational content. 

For ages 8+

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

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.

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!

This rock and mineral starter collection contains 10 incredible specimens that are sure to inspire a fascination with geology and the earth sciences.