Thames & Kosmos Rock Tumbler, Gemstone Polishing Kit with Natural Rocks STEM, fun and educational

TRANSFORM ROUGH ROCKS INTO POLISHED GEMS – Discover the fascinating world of geology with the Thames & Kosmos Rock Tumbler! This easy-to-use machine transforms rough stones into smooth, polished rocks, helping budding geologists and gem collectors explore the beauty of natural minerals. AUTHENTIC ROCKS AND FOUR POLISHING GRITS – Start your gemstone polishing adventure with an assortment of natural rock samples, including amethyst, aventurine and rose quartz, alongside four different polishing grits. Explore the multi-stage polishing process and watch your stones develop a beautiful finish. CREATE YOUR OWN GEMSTONE JEWELLERY – Turn your polished stones into unique accessories using the included jewellery settings. Create personalised pieces while combining creativity, hands-on learning and gemstone collecting in one engaging science kit. DURABLE DESIGN WITH USER-FRIENDLY FEATURES – Designed for repeated use, the Rock Tumbler features a powerful, long-lasting motor, a leak-resistant, noise-reducing barrel and a built-in timer for convenient operation. Continue exploring by experimenting with suitable rocks, glass, wood and other collected materials. EXPLORE GEOLOGY THROUGH HANDS-ON STEM LEARNING – Encourage curiosity about the natural world with the included educational manual and poster. Discover how rocks form and learn about erosion, weathering, minerals and the geological rock cycle through an engaging STEM activity for young science enthusiasts.