THAMES & KOSMOS

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...

Until this ground-breaking kit was introduced, a physics set was almost unheard of. Physics is an essential science for everyone, and this kit prov...

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...

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...