{"product_id":"blue-marble-national-geographic-rock-tumbler-refill-kit-3-lb-gemstones-grit-jewelry-accessories","title":"Blue Marble National Geographic Rock Tumbler Refill Kit – 3 lb Gemstones, Grit \u0026 Jewelry Accessories","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eTransform rough stones into polished keepsakes with a kit that blends hands on learning, vibrant colors, and practical jewelry ideas. This Blue Marble National Geographic Rock Tumbler Refill Kit comes with 3 pounds of rough gemstones plus the grit, guides, and accessories you need to explore tumbling and jewelry crafting in one convenient package.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGemstones of nine varieties: Tiger’s Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Black Jasper\u003c\/li\u003e\n  \u003cli\u003eFour grit grades: Coarse, Medium, Fine, Polish\u003c\/li\u003e\n  \u003cli\u003eJewelry findings: 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring\u003c\/li\u003e\n  \u003cli\u003eLearning guide with gemstone facts and care tips\u003c\/li\u003e\n  \u003cli\u003eAward-winning product line backed by Blue Marble and U S support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGrit and polishing steps\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCoarse for initial shaping\u003c\/li\u003e\n  \u003cli\u003eMedium for smoothening edges\u003c\/li\u003e\n  \u003cli\u003eFine for texture refinement\u003c\/li\u003e\n  \u003cli\u003ePolish for a bright, glossy finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cp\u003eIdeal for hobbyists, families, and students who enjoy hands on discovery. The diverse gemstone mix invites exploration of color, pattern, and design ideas, while the included jewelry findings open up quick crafting possibilities after polishing.\u003c\/p\u003e\n\n\u003ch3\u003eReal life use cases\u003c\/h3\u003e\n\u003cp\u003eSet up a classroom activity, start a small home jewelry studio, or simply enjoy a calming, tactile project. The learning guide offers approachable gemstone context and practical care tips, helping curious makers connect rocks to real world crafts. Results will vary, but many users report satisfying transformations from rough to finished surfaces and richer colors.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose Blue Marble\u003c\/h3\u003e\n\u003cp\u003eBlue Marble combines nature inspired materials with kid friendly learning, supported by an award winning brand and dependable U S support. This kit aims to spark imagination, support hands on learning, and provide a practical path from rough stone to wearable pieces.\u003c\/p\u003e\n\n\u003ch3\u003eCare and handling tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow the learning guide for best results and safety considerations\u003c\/li\u003e\n  \u003cli\u003eDry and store polished stones after use to maintain shine\u003c\/li\u003e\n  \u003cli\u003eKeep grit packets sealed and labeled for future projects\u003c\/li\u003e\n\u003c\/ul\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 is included in the Blue Marble kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 3 lbs of rough gemstones, four grit grades, jewelry findings, a learning guide, and an award-winning Blue Marble package.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this kit suitable for beginners?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it provides graded grit and a learning guide to support newcomers in tumbling and basic jewelry crafting.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blue Marble","offers":[{"title":"Default Title","offer_id":46525820764359,"sku":"B07H7WFWYT","price":49.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2355\/7319\/files\/blue-marble-national-geographic-rock-tumbler-refill-rough-gemstones.jpg?v=1778395314","url":"https:\/\/toyterrax.com\/products\/blue-marble-national-geographic-rock-tumbler-refill-kit-3-lb-gemstones-grit-jewelry-accessories","provider":"ToyTerrax","version":"1.0","type":"link"}