{"product_id":"the-thames-kosmos-rock-tumbler","title":"The Thames \u0026 Kosmos Rock Tumbler","description":"\u003ch6 class=\"sr-only\"\u003eChatGPT said:\u003c\/h6\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c7fa28de-7d11-43a0-a592-5ff3946de32b\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-5-thinking\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\"\u003e\n\u003ch2 data-start=\"0\" data-end=\"35\"\u003eThe Thames \u0026amp; Kosmos Rock Tumbler\u003c\/h2\u003e\n\u003cul data-start=\"37\" data-end=\"970\"\u003e\n\u003cli data-start=\"37\" data-end=\"135\"\u003e\n\u003cp data-start=\"39\" data-end=\"135\"\u003eTurn rough rocks into glossy gemstones while exploring erosion, weathering, and the rock cycle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"136\" data-end=\"267\"\u003e\n\u003cp data-start=\"138\" data-end=\"267\"\u003eQuiet, \u003cstrong data-start=\"145\" data-end=\"182\"\u003eleak-proof, noise-reducing barrel\u003c\/strong\u003e plus \u003cstrong data-start=\"188\" data-end=\"206\"\u003ebuilt-in timer\u003c\/strong\u003e with presets up to seven days for set-and-forget polishing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"268\" data-end=\"375\"\u003e\n\u003cp data-start=\"270\" data-end=\"375\"\u003e\u003cstrong data-start=\"270\" data-end=\"298\"\u003eDurable, long-life motor\u003c\/strong\u003e handles repeated runs and a variety of media: rocks, glass, wood, and more\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"376\" data-end=\"519\"\u003e\n\u003cp data-start=\"378\" data-end=\"519\"\u003eStart polishing on day one with an included \u003cstrong data-start=\"422\" data-end=\"433\"\u003egem mix\u003c\/strong\u003e (tiger’s eye, aventurine, rose quartz, and others) and a \u003cstrong data-start=\"491\" data-end=\"517\"\u003efour-stage grit system\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"520\" data-end=\"640\"\u003e\n\u003cp data-start=\"522\" data-end=\"640\"\u003e\u003cstrong data-start=\"522\" data-end=\"537\"\u003eUSB-C power\u003c\/strong\u003e and \u003cstrong data-start=\"542\" data-end=\"568\"\u003e450 g (≈1 lb) capacity\u003c\/strong\u003e make it compact, efficient, and easy to place on a desk or countertop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"641\" data-end=\"763\"\u003e\n\u003cp data-start=\"643\" data-end=\"763\"\u003eCreate keepsakes with \u003cstrong data-start=\"665\" data-end=\"685\"\u003ejewelry settings\u003c\/strong\u003e; perfect as a \u003cstrong data-start=\"700\" data-end=\"720\"\u003eSTEM geology kit\u003c\/strong\u003e for curious kids and beginner rockhounds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"764\" data-end=\"895\"\u003e\n\u003cp data-start=\"766\" data-end=\"895\"\u003eIllustrated manual and poster teach rock types, crystal formation, tumbling stages, contamination avoidance, and finishing tips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"896\" data-end=\"970\"\u003e\n\u003cp data-start=\"898\" data-end=\"970\"\u003eGreat upgrade path with compatible refill packs to keep projects rolling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"972\" data-end=\"988\"\u003eSpecifications\u003c\/h1\u003e\n\u003cul data-start=\"989\" data-end=\"1383\"\u003e\n\u003cli data-start=\"989\" data-end=\"1005\"\u003e\n\u003cp data-start=\"991\" data-end=\"1005\"\u003e\u003cstrong data-start=\"991\" data-end=\"1000\"\u003eAges:\u003c\/strong\u003e 8+\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1006\" data-end=\"1028\"\u003e\n\u003cp data-start=\"1008\" data-end=\"1028\"\u003e\u003cstrong data-start=\"1008\" data-end=\"1024\"\u003eExperiments:\u003c\/strong\u003e 5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1029\" data-end=\"1052\"\u003e\n\u003cp data-start=\"1031\" data-end=\"1052\"\u003e\u003cstrong data-start=\"1031\" data-end=\"1047\"\u003ePiece Count:\u003c\/strong\u003e 21\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1053\" data-end=\"1088\"\u003e\n\u003cp data-start=\"1055\" data-end=\"1088\"\u003e\u003cstrong data-start=\"1055\" data-end=\"1068\"\u003eCapacity:\u003c\/strong\u003e 450 g (over 1 lb)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1089\" data-end=\"1133\"\u003e\n\u003cp data-start=\"1091\" data-end=\"1133\"\u003e\u003cstrong data-start=\"1091\" data-end=\"1101\"\u003ePower:\u003c\/strong\u003e USB-C (no batteries required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1134\" data-end=\"1181\"\u003e\n\u003cp data-start=\"1136\" data-end=\"1181\"\u003e\u003cstrong data-start=\"1136\" data-end=\"1146\"\u003eTimer:\u003c\/strong\u003e Up to 7 days (multiple settings)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1182\" data-end=\"1227\"\u003e\n\u003cp data-start=\"1184\" data-end=\"1227\"\u003e\u003cstrong data-start=\"1184\" data-end=\"1207\"\u003eProduct Dimensions:\u003c\/strong\u003e 9 × 9.6 × 4.3 in.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1228\" data-end=\"1258\"\u003e\n\u003cp data-start=\"1230\" data-end=\"1258\"\u003e\u003cstrong data-start=\"1230\" data-end=\"1249\"\u003eProduct Weight:\u003c\/strong\u003e 4.4 lb\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1259\" data-end=\"1282\"\u003e\n\u003cp data-start=\"1261\" data-end=\"1282\"\u003e\u003cstrong data-start=\"1261\" data-end=\"1278\"\u003eManual Pages:\u003c\/strong\u003e 6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1283\" data-end=\"1324\"\u003e\n\u003cp data-start=\"1285\" data-end=\"1324\"\u003e\u003cstrong data-start=\"1285\" data-end=\"1307\"\u003eManual Dimensions:\u003c\/strong\u003e 5.5 × 11.7 in.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1325\" data-end=\"1357\"\u003e\n\u003cp data-start=\"1327\" data-end=\"1357\"\u003e\u003cstrong data-start=\"1327\" data-end=\"1349\"\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1358\" data-end=\"1383\"\u003e\n\u003cp data-start=\"1360\" data-end=\"1383\"\u003e\u003cstrong data-start=\"1360\" data-end=\"1378\"\u003eYear Released:\u003c\/strong\u003e 2025\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"1385\" data-end=\"1405\"\u003eWhat’s in the Box?\u003c\/h1\u003e\n\u003cul data-start=\"1406\" data-end=\"1787\"\u003e\n\u003cli data-start=\"1406\" data-end=\"1488\"\u003e\n\u003cp data-start=\"1408\" data-end=\"1488\"\u003eRock tumbler with \u003cstrong data-start=\"1426\" data-end=\"1463\"\u003eleak-proof, noise-reducing barrel\u003c\/strong\u003e and \u003cstrong data-start=\"1468\" data-end=\"1486\"\u003ebuilt-in timer\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1489\" data-end=\"1574\"\u003e\n\u003cp data-start=\"1491\" data-end=\"1574\"\u003e\u003cstrong data-start=\"1491\" data-end=\"1517\"\u003eAssorted natural rocks\u003c\/strong\u003e (e.g., tiger’s eye, aventurine, rose quartz, and more)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1575\" data-end=\"1643\"\u003e\n\u003cp data-start=\"1577\" data-end=\"1643\"\u003e\u003cstrong data-start=\"1577\" data-end=\"1601\"\u003eFour polishing grits\u003c\/strong\u003e: coarse, medium, fine, and final polish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1644\" data-end=\"1709\"\u003e\n\u003cp data-start=\"1646\" data-end=\"1709\"\u003e\u003cstrong data-start=\"1646\" data-end=\"1666\"\u003eJewelry settings\u003c\/strong\u003e to turn polished stones into accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1710\" data-end=\"1763\"\u003e\n\u003cp data-start=\"1712\" data-end=\"1763\"\u003e\u003cstrong data-start=\"1712\" data-end=\"1734\"\u003eIllustrated manual\u003c\/strong\u003e and \u003cstrong data-start=\"1739\" data-end=\"1761\"\u003eeducational poster\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1764\" data-end=\"1787\"\u003e\n\u003cp data-start=\"1766\" data-end=\"1787\"\u003e\u003cstrong data-start=\"1766\" data-end=\"1787\"\u003eUSB-C power cable\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"1789\" data-end=\"1808\"\u003eSoftware and Docs\u003c\/h1\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.thamesandkosmos.com\/manuals\/full\/678006_RockTumbler-Manual-051525.pdf\" title=\"Download Rock Tumbler Manual\" rel=\"noopener\" target=\"_blank\"\u003eDownload Manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Thames and Kosmos","offers":[{"title":"Default Title","offer_id":50952801059136,"sku":"678006","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9904\/6464\/files\/RockTumblerRefill_Placeholder_ComingSoon_900x_4024fa63-b872-4f95-ae67-8c738a7be87a.jpg?v=1756500597","url":"https:\/\/astroworldtelescopes.com\/products\/the-thames-kosmos-rock-tumbler","provider":"Astroworld Telescopes","version":"1.0","type":"link"}