{"product_id":"stone-polishing-machine","title":"Stone Polishing Machine","description":"\u003cdiv id=\"offer-template-0\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"max-width:100%;width:auto;\"\u003e\n\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEducational Tool: Enhances children's learning through hands-on experience with geology and physics principles\u003c\/p\u003e\n\u003cp\u003eDIY Functionality: Allows creative exploration by polishing and grinding stones and gemstones\u003c\/p\u003e\n\u003cp\u003eElectric Operation: Powered for efficient and consistent polishing performance\u003c\/p\u003e\n\u003cp\u003eSafety Design: Complies with 3C certification standards for children's electric toys (under 14 years)\u003c\/p\u003e\n\u003cp\u003eComplete Kit: Includes multiple accessories for comprehensive stone processing activities\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaterial: Plastic\u003c\/p\u003e\n\u003cp\u003eProduct Category: Grinder\u003c\/p\u003e\n\u003cp\u003ePower Type: Electric\u003c\/p\u003e\n\u003cp\u003ePower Supply: Other (plug variations available)\u003c\/p\u003e\n\u003cp\u003eWeight Options: 1510g (basic set), 1586g (premium set)\u003c\/p\u003e\n\u003cp\u003ePlug Variants: US standard flat plug, European round plug\u003c\/p\u003e\n\u003cp\u003eCertification: 3C certified (2020182202018273)\u003c\/p\u003e\n\u003cp\u003eAge Range: 7-14 years\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003estone grinder*1\u003c\/p\u003e\n\u003cp\u003egrinding wheels*4\u003c\/p\u003e\n\u003cp\u003epolishing wheels*4\u003c\/p\u003e\n\u003cp\u003esandpaper*4\u003c\/p\u003e\n\u003cp\u003eusb power cable*1\u003c\/p\u003e\n\u003cp\u003einstruction manual*1\u003c\/p\u003e\n\u003cp\u003especimen stones*5\u003c\/p\u003e\n\u003cp\u003esafety goggles*1\u003c\/p\u003e\n\u003cimg style=\"display:block;max-width:100%;height:auto;object-fit:contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/02\/07\/87563820-c37c-4329-99ac-3bc084337d4e.jpeg\" alt=\"\"\u003e \u003cimg style=\"display:block;max-width:100%;height:auto;object-fit:contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/02\/07\/7d1a4550-c03c-471d-a057-d1ffed13136e.jpeg\" alt=\"\"\u003e \u003cimg style=\"display:block;max-width:100%;height:auto;object-fit:contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/02\/07\/654eef92-614b-4f3b-bf9e-d0785bc2b52c.jpg\" alt=\"\"\u003e \u003cimg style=\"display:block;max-width:100%;height:auto;object-fit:contain;\" src=\"https:\/\/oss.teemdrop.com\/goods-admin\/2026\/02\/07\/192fee67-da09-4e8c-83a3-f502d921fc37.jpeg\" alt=\"\"\u003e \u003cimg 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