{"product_id":"blue-marble-national-geographic-rock-tumbler-refill-kit-5-lb-rocks-grit-jewelry-settings","title":"Blue Marble National Geographic Rock Tumbler Refill Kit — 5 lb Rocks, Grit \u0026 Jewelry Settings","description":"\u003ch2\u003eUnlock hands-on science and creative spark with Blue Marble\u003c\/h2\u003e\n\u003cp\u003eImmerse curious minds in the tactile world of color, texture, and pattern. The Blue Marble National Geographic Rock Tumbler Refill Kit combines tangible rock materials with a guided learning approach, turning rough stones into smooth treasures through safe, kid-friendly polishing. This kit is built for exploration, whether you’re a student, a parent, or a budding hobbyist seeking a constructive, screen-free activity that fosters focus and curiosity.\u003c\/p\u003e\n\u003cp\u003eWith 5 pounds of unpolished rocks and gemstones sourced for variety, you’ll experience a spectrum of hues and textures. The kit includes 2 pounds of gemstone mix, 1 pound of agate mix, 1 pound of Madagascar mix, and 1 pound of jasper mix, offering a robust assortment for different tumbling results. Twenty grit packets provide enough material for five complete tumbling cycles, giving you the chance to refine technique and experiment with finishes over time.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s inside\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 pounds of unpolished rocks and gemstones in mixed assortments\u003c\/li\u003e\n  \u003cli\u003e20 grit packets for five tumbling cycles\u003c\/li\u003e\n  \u003cli\u003e5 jewelry settings for easy keepsake projects\u003c\/li\u003e\n  \u003cli\u003eStorage pouch to keep specimens organized\u003c\/li\u003e\n  \u003cli\u003eDetailed learning guide with polishing instructions and stone facts\u003c\/li\u003e\n  \u003cli\u003eBacked by Blue Marble’s commitment to quality and service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy it appeals to learners and makers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHands-on exploration of color, texture, and pattern across multiple stone types\u003c\/li\u003e\n  \u003cli\u003eStep-by-step polishing guidance complements classroom and home learning\u003c\/li\u003e\n  \u003cli\u003eCreative outlet for making personalized jewelry or display pieces\u003c\/li\u003e\n  \u003cli\u003eClear organization of materials helps ease family or classroom projects\u003c\/li\u003e\n  \u003cli\u003eSafe, tactile activity that supports patience, focus, and practical skills\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBlue Marble stands behind its products with responsive service. If your experience falls short of expectations, reach out and we’ll make things right. This kit is designed to be a flexible, kid-friendly introduction to rock polishing, offering opportunities for curiosity, patience, and achievement.\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 is included in the Blue Marble National Geographic Rock Tumbler Refill Kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit features 5 lb of unpolished rocks from gemstone, agate, Madagascar, and jasper mixes, plus 20 grit packets, 5 jewelry settings, a storage pouch, and a learning guide.\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 or classroom use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the kit provides a complete set of materials and a learning guide, making it accessible for beginners and educational groups under supervision.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Blue Marble","offers":[{"title":"Default Title","offer_id":46525917069511,"sku":"B07XM95HZY","price":59.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2355\/7319\/files\/blue-marble-national-geographic-refill-rocks-unpolished-stones.jpg?v=1778398262","url":"https:\/\/toyterrax.com\/products\/blue-marble-national-geographic-rock-tumbler-refill-kit-5-lb-rocks-grit-jewelry-settings","provider":"ToyTerrax","version":"1.0","type":"link"}