{"product_id":"thames-kosmos-rock-tumbler-essential-stem-tool-durable-leak-proof-barrel-with-built-in-timer-and-specimens","title":"Thames \u0026 Kosmos Rock Tumbler Essential STEM Tool – Durable, Leak-Proof Barrel with Built-In Timer and Specimens","description":"\u003ch2\u003eBring geology to life at home with the Thames \u0026amp; Kosmos Rock Tumbler\u003c\/h2\u003e\n\u003cp\u003eTurn rough stones into smooth, display-worthy rocks while exploring how natural forces shape our world. The Rock Tumbler blends hands-on polishing with science context, pairing a durable machine with authentic specimens and guided learning materials that invite curiosity without hype.\u003c\/p\u003e\n\u003ch3\u003eKey features that help curious minds\u003c\/h3\u003e\n\u003cp\u003eDesigned for budding geologists, this tumbler combines a powerful, long-lasting motor with a leak-proof, noise-reducing barrel. A built-in timer lets you schedule cycles up to seven days, so you control the pace of polishing. The USB-C power supply keeps the setup flexible for home or classroom use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAuthentic rock specimens included: amethyst, aventurine, rose quartz, and more to start a growing collection\u003c\/li\u003e\n\u003cli\u003eFour polishing grits that guide the surface from rough to glossy through simple steps\u003c\/li\u003e\n\u003cli\u003eJewelry fasteners included to transform finished rocks into wearable keepsakes\u003c\/li\u003e\n\u003cli\u003eEducational materials — a manual and a poster that explain erosion, weathering, and the rock cycle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBeyond polishing: learning through hands-on discovery\u003c\/h3\u003e\n\u003cp\u003eOnce you’ve polished the included rocks, you can continue with other materials you collect, such as glass or wood, expanding both science inquiry and craft projects. The kit is sized for a hands-on experience while keeping the process approachable.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e450 g capacity offers a substantial yet manageable workspace for small projects\u003c\/li\u003e\n\u003cli\u003eNoise reduction and leak-proof design support a calm, focus-friendly environment\u003c\/li\u003e\n\u003cli\u003eClear, kid-friendly instructions and visuals guide experimentation and safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Thames \u0026amp; Kosmos kit is ideal for families and classrooms seeking an engaging, low-pressure way to explore geology concepts while creating tangible, polished results to display or share.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What age is suitable for the Rock Tumbler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for ages 8+ with adult supervision, this kit suits beginner geology projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included and what can I tumble?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes authentic rock specimens, four polishing grits, jewelry settings, manual and poster; you can tumble rocks, glass, wood with your own finds.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Thames \u0026 Kosmos","offers":[{"title":"Default Title","offer_id":46525190275271,"sku":"B0DS6LG3JN","price":43.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2355\/7319\/files\/thames-kosmos-rock-tumbler-durability-barrel.jpg?v=1778364545","url":"https:\/\/toyterrax.com\/products\/thames-kosmos-rock-tumbler-essential-stem-tool-durable-leak-proof-barrel-with-built-in-timer-and-specimens","provider":"ToyTerrax","version":"1.0","type":"link"}