{"product_id":"national-geographic-starter-rock-tumbler-kit-includes-rough-gemstones-4-stage-silicon-carbide-polishing-grit-jewellery-fastenings-learning-guide-stem-science-kit-for-geology-enthusiasts","title":"National Geographic Starter Rock Tumbler Kit - Includes Rough Gemstones, 4-Stage Silicon Carbide Polishing Grit, Jewellery Fastenings \u0026 Learning Guide - STEM Science Kit for Geology Enthusiasts","description":"\u003cstyle\u003e\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400\u0026family=Source+Serif+4:opsz,wght@8..60,300;8..60,400\u0026display=swap');\n.rx *{box-sizing:border-box;margin:0;padding:0;}\n.rx{--ink:#0C0A09;--dark:#1C1917;--paper:#FAFAF9;--border:#D6D3D1;--muted:#6B6560;font-family:'Source Serif 4',Georgia,serif;color:var(--ink);max-width:1100px;margin:0 auto;line-height:1.6;background:#fff;}\n.rx-eyebrow{font-family:-apple-system,BlinkMacSystemFont,'Segoe 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0;max-width:48ch;}\n@media(max-width:720px){.rx-stats{grid-template-columns:1fr 1fr;}.rx-stat:nth-child(odd){border-left:0;}.rx-grid,.rx-compare{grid-template-columns:1fr;}.rx-sg,.rx-steps{grid-template-columns:1fr;}.rx-steps{grid-template-columns:1fr 1fr;}}\n\u003c\/style\u003e\u003cdiv class=\"rx\"\u003e\n  \u003cdiv class=\"rx-hero\"\u003e\n    \u003cspan class=\"rx-eyebrow\"\u003eNational Geographic · Starter Rock Tumbler\u003c\/span\u003e\n    \u003cdiv class=\"rx-frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0556\/9170\/6458\/files\/91kh7806KEL._AC_SL1500.jpg?v=1779798835\" alt=\"National Geographic starter rock tumbler kit with rough gemstones, 4-stage grit and jewellery fastenings\"\u003e\u003c\/div\u003e\n    \u003ch1\u003eThe trusted name in science kits, in starter form.\u003c\/h1\u003e\n    \u003cp\u003eA National Geographic rock tumbler built for first-timers — rough gemstones, a four-stage silicon-carbide grit system, jewellery fastenings and a full learning guide. Everything a curious kid needs to turn raw stone into polished treasure.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"rx-stats\"\u003e\n    \u003cdiv class=\"rx-stat\"\u003e\n\u003cb\u003e4-Stage\u003c\/b\u003e\u003cspan\u003eSilicon-Carbide Grit\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-stat\"\u003e\n\u003cb\u003eRough\u003c\/b\u003e\u003cspan\u003eGemstones Included\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-stat\"\u003e\n\u003cb\u003eJewellery\u003c\/b\u003e\u003cspan\u003eFastenings Included\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-stat\"\u003e\n\u003cb\u003eSTEM\u003c\/b\u003e\u003cspan\u003eLearning Guide\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rx-ch\"\u003e\n\u003cdiv class=\"rx-ch-head\"\u003e\n\u003cspan class=\"rx-num\"\u003e01\u003c\/span\u003e\u003cdiv class=\"rx-ch-titles\"\u003e\n\u003cspan class=\"rx-eyebrow\"\u003eWhat it does\u003c\/span\u003e\u003ch2\u003eRaw stone in. Polished gem out.\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp class=\"rx-body\"\u003eLoad the barrel with the included rough gemstones, run it through four grit stages, and watch dull rocks emerge glossy and smooth — the same weathering process nature takes millennia to do, compressed into days. A genuinely satisfying first taste of geology.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rx-ch\"\u003e\n\u003cdiv class=\"rx-ch-head\"\u003e\n\u003cspan class=\"rx-num\"\u003e02\u003c\/span\u003e\u003cdiv class=\"rx-ch-titles\"\u003e\n\u003cspan class=\"rx-eyebrow\"\u003eThe process\u003c\/span\u003e\u003ch2\u003eFour stages, clearly labelled.\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-steps\"\u003e\n      \u003cdiv class=\"rx-step\"\u003e\n\u003cb\u003eStep 1\u003c\/b\u003e\u003ch4\u003eCoarse\u003c\/h4\u003e\n\u003cp\u003eInitial tumbling and shaping of the rough rock.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"rx-step\"\u003e\n\u003cb\u003eStep 2\u003c\/b\u003e\u003ch4\u003eMedium\u003c\/h4\u003e\n\u003cp\u003eSmooths the surfaces after the first shaping pass.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"rx-step\"\u003e\n\u003cb\u003eStep 3\u003c\/b\u003e\u003ch4\u003ePre-polish\u003c\/h4\u003e\n\u003cp\u003eRefines the stone, readying it for the final shine.\u003c\/p\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"rx-step\"\u003e\n\u003cb\u003eStep 4\u003c\/b\u003e\u003ch4\u003ePolish\u003c\/h4\u003e\n\u003cp\u003eBrings up the high-gloss, finished gemstone surface.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rx-quote\"\u003e\n\u003cblockquote\u003e\"A first science kit they'll actually finish.\"\u003c\/blockquote\u003e\n\u003cdiv class=\"rx-rule\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n  \u003cdiv class=\"rx-ch\"\u003e\n\u003cdiv class=\"rx-ch-head\"\u003e\n\u003cspan class=\"rx-num\"\u003e03\u003c\/span\u003e\u003cdiv class=\"rx-ch-titles\"\u003e\n\u003cspan class=\"rx-eyebrow\"\u003eMake \u0026amp; keep\u003c\/span\u003e\u003ch2\u003eTurn the gems into jewellery.\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp class=\"rx-body\"\u003eThe kit includes jewellery fastenings — cord, rings and pendant cages — so finished stones don't just sit in a jar. Kids can mount their best gem into a necklace or keyring and actually wear what they made, which is half the magic.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rx-specs\"\u003e\n\u003cspan class=\"rx-eyebrow\"\u003eSpecifications\u003c\/span\u003e\u003cdiv class=\"rx-sg\"\u003e\n    \u003cdiv class=\"rx-sr\"\u003e\n\u003cspan class=\"k\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"v\"\u003eNational Geographic\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-sr\"\u003e\n\u003cspan class=\"k\"\u003eGrit system\u003c\/span\u003e\u003cspan class=\"v\"\u003e4-stage silicon carbide\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-sr\"\u003e\n\u003cspan class=\"k\"\u003eStones\u003c\/span\u003e\u003cspan class=\"v\"\u003eAssorted rough gemstones included\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-sr\"\u003e\n\u003cspan class=\"k\"\u003eJewellery\u003c\/span\u003e\u003cspan class=\"v\"\u003eFastenings + pendant cages\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-sr\"\u003e\n\u003cspan class=\"k\"\u003eGuide\u003c\/span\u003e\u003cspan class=\"v\"\u003eIllustrated learning guide\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-sr\"\u003e\n\u003cspan class=\"k\"\u003eLevel\u003c\/span\u003e\u003cspan class=\"v\"\u003eStarter \/ beginner-friendly\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-sr\"\u003e\n\u003cspan class=\"k\"\u003ePower\u003c\/span\u003e\u003cspan class=\"v\"\u003eMains-powered tumbler\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"rx-sr\"\u003e\n\u003cspan class=\"k\"\u003eBest for\u003c\/span\u003e\u003cspan class=\"v\"\u003eAges 8+ \/ first-time geologists\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n  \u003cdiv class=\"rx-faq\"\u003e\n\u003cspan class=\"rx-eyebrow\"\u003eQuestions\u003c\/span\u003e\n    \u003cdetails open\u003e\u003csummary\u003eHow is this different from the advanced tumbler?\u003c\/summary\u003e\u003cp\u003eThis is the starter — simpler to run and a lower price, ideal for a first kit. The advanced models add digital timers and multiple speeds. Both polish stones beautifully through four grit stages.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow long does a batch take?\u003c\/summary\u003e\u003cp\u003ePolishing runs across the four grit stages over roughly a week of tumbling, changing grit and water between stages per the included guide.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eAre the gemstones included?\u003c\/summary\u003e\u003cp\u003eYes — a selection of rough gemstones is included to get started, along with all four grit stages.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat age is it for?\u003c\/summary\u003e\u003cp\u003eAges 8 and up. Younger children enjoy it with a parent helping at grit-change time.\u003c\/p\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eCan you make jewellery with it?\u003c\/summary\u003e\u003cp\u003eYes — jewellery fastenings and pendant cages are included so finished stones become wearable pieces.\u003c\/p\u003e\u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"rx-trust\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"t\"\u003e\n\u003cspan class=\"dot\"\u003e\u003c\/span\u003eIn Stock\u003c\/div\u003e\n\u003cdiv class=\"s\"\u003eReady to ship\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"t\"\u003eFree Shipping\u003c\/div\u003e\n\u003cdiv class=\"s\"\u003eTracked, Australia-wide\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"t\"\u003e30-Day Returns\u003c\/div\u003e\n\u003cdiv class=\"s\"\u003eHassle-free\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n  \u003cdiv class=\"rx-close\"\u003e\n\u003cspan class=\"rx-eyebrow\"\u003eGifts Hub Australia\u003c\/span\u003e\u003ch2\u003eA name you trust. A gift they'll finish.\u003c\/h2\u003e\n\u003cp\u003eRough gemstones, four grit stages and jewellery fastenings — the classic first geology kit. Add it to your cart above.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Blue Marble","offers":[{"title":"Default Title","offer_id":55153150165283,"sku":"B01I56RV0C","price":109.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9170\/6458\/files\/91kh7806KEL._AC_SL1500.jpg?v=1779798835","url":"https:\/\/www.gifts-australia.com.au\/products\/national-geographic-starter-rock-tumbler-kit-includes-rough-gemstones-4-stage-silicon-carbide-polishing-grit-jewellery-fastenings-learning-guide-stem-science-kit-for-geology-enthusiasts","provider":"Gifts Hub Australia","version":"1.0","type":"link"}