{"product_id":"the-thames-kosmos-rock-tumbler","title":"The Thames \u0026 Kosmos Rock Tumbler","description":"\u003cp\u003e\u003cstrong\u003eLet’s rock and roll! Amp up your rock collection and explore the secrets of geology with the Thames \u0026amp; Kosmos Rock Tumbler!\u003c\/strong\u003e This custom-designed, user-friendly machine allows budding geologists and gem collectors to transform rough stones into beautiful polished rocks while exploring topics like erosion, weathering, and the geological rock cycle.\u003c\/p\u003e\n\u003cp\u003e The kit comes with an assortment of natural rock samples to get you started — including tiger’s eye, aventurine, rose quartz, and more — as well as four polishing grits. Use the included jewelry settings to create accessories from your specimens. The powerful, long-lasting motor is built with durability in mind: once you’ve polished the included rocks, you can continue your experiments by tumbling rocks, glass, wood, and other materials you collect on your own. The leak-proof, noise-reducing barrel and built-in timer also aid in ease of use.\u003c\/p\u003e\n\u003cp\u003e The included manual and poster guide children on their rock-polishing adventures, providing usage instructions as well as scientific information about different types of rocks, how they are formed, and more.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuality, innovative design provides a fresh alternative for a classic science device at a competitive price\u003c\/li\u003e\n\u003cli\u003eBuilt-in timer includes different settings, allowing it to run for up to seven days\u003c\/li\u003e\n\u003cli\u003eIncludes jewelry fasteners to transform your rocks into accessories\u003c\/li\u003e\n\u003cli\u003e450g capacity (over 1 pound)\u003c\/li\u003e\n\u003cli\u003eUSB-C power supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAges: 8+\u003c\/li\u003e\n\u003cli\u003eExperiments: 5\u003c\/li\u003e\n\u003cli\u003ePiece Count: 21\u003c\/li\u003e\n\u003cli\u003eManual Pages: 6\u003c\/li\u003e\n\u003cli\u003eProduct Dimensions: 9 x 9.6 x 4.3 in.\u003c\/li\u003e\n\u003cli\u003eProduct Weight: 4.4 lbs\u003c\/li\u003e\n\u003cli\u003eManual Dimensions: 5.5 x 11.7 in.\u003c\/li\u003e\n\u003cli\u003eBatteries Required: N\/A\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: China\u003c\/li\u003e\n\u003cli\u003eYear Released: 2025\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Thames \u0026 Kosmos","offers":[{"title":"Default Title","offer_id":53432951111959,"sku":"1016050","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/2981\/5319\/files\/thak678006.jpg?v=1779738326","url":"https:\/\/pufferbelliestoys.com\/products\/the-thames-kosmos-rock-tumbler","provider":"Pufferbellies Toys \u0026 Books","version":"1.0","type":"link"}