Earth Science

A geological expedition in the palm of your hand! Each of these fun, low-priced excavation blocks contains one real mineral or fossil specimen. The...

Explore the invisible and amazing power of magnets with 33 engaging experiments and games. This science experiment kit contains many magnets of dif...

Keep on rockin’ and rollin’ with this refill pack for the Thames & Kosmos Rock Tumbler. This pack includes a one-pound assortment of natural r...

Let’s rock and roll! Amp up your rock collection and explore the secrets of geology with the Thames & Kosmos Rock Tumbler! This custom-designed...