"NATIONAL GEOGRAPHIC, Rock tumbling] in product_description: ['Learn about the exciting hobby of rock tumbling with National Geographic! Rock tumbling is tons of fun and a great way to start a beautiful rock collection. This set includes all the accessories you"™ll need to start polishing dazzling gems. Kids can use the included jewelry fastening to create beautiful homemade jewelry! Contents and Features: "¢ High-quality tumbling machine with powerful motor that will last for years "¢ Automatic shutoff timer so you can set it and forget it "¢ Noise reducing leak-proof barrel with stainless steel lid "¢ Half pound of gemstones from around the world (9 types) and four grades of grit "¢ Jewelry fastenings so you can create your own unique jewelry "¢ Full-color information guide with cool facts about each of the gemstones included "¢ Easy-to-follow rock tumbling instructions . br> Rock tumbling is a fun activity for children of all ages and promotes an interest in geology and science. Introduce your kid to science the fun way! Join National Geographic as we inspire future generations by showing them the wonders of the natural world. National Geographic Toys is proud to provide a 100. /b> so that you can buy with confidence. About the National Geographic Society: With a mission to inspire people to care about the planet, the 126-year-old National Geographic Society is one of the world"™s largest nonprofit scientific and educational organizations. National Geographic"™s net proceeds support vital exploration, conservation, research, and education programs. 내셔널 지오그래픽과 함께 재미있는 록 텀블링 취미에 대해 알아보세요! 락 텀블링은 수많은 재미와 아름다운 록 컬렉션을 시작하는 좋은 방법입니다. 이 세트에는 눈부신 보석을 연마하는 데 필요한 모든 액세서리가 포함되어 있습니다. 아이들은 포함된 주얼리 잠금을 사용하여 아름다운 수제 주얼리를 만들 수 있습니다! 제품 구성 및 특징: "¢ 수년간 지속되는 강력한 모터를 갖춘 고품질 텀블링 머신 "¢ 자동 차단 타이머로 설정하고 잊을 수 있습니다. "¢ 스테인리스 스틸 뚜껑이 있는 소음 감소 누출 방지 배럴. "¢ ì „ 세계의 보석(9가지 타입)ê³¼ 4등급 그릿 100.3kg "¢ 주얼리 ê³ ì • 장치로 나만의 독특한 주얼리를 만들 수 있습니다. "¢ 각 보석에 대한 멋진 사실이 포함된 í’€ 컬러 ì •ë³´ 가이드. "¢ 따라하기 쉬운 락 텀블링 설명서. "¢ 2ë…„ 제조업체 보증 록 텀블링은 모든 연령대의 어린이들을 위한 재미있는 활동이며 지질학과 과학에 대한 관심을 촉진합니다. 자녀에게 재미있는 방법으로 과학을 소개하십시오! 내셔널 지오그래픽에 합류하여 미래 세대에 영감을 불어 넣으며 자연 세계의 경이로움을 보여줌으로써 영감을 줍니다. National Geographic Toys는 모든 제품에 대해 100% 만족 보장을 제공하여 안심하고 구매하실 수 있습니다. 내셔널지오그래픽 협회 소개: 사람들이 지구를 돌보도록 영감을 주는 사명을 가진 126세 내셔널지오그래픽 협회는 세계 최대의 비영리 과학 및 교육 기관 중 하나입니다. 내셔널지오그래픽의 순 수익금은 중요한 탐험, ë³´ì¡´, 연구 및 교육 프로그램을 지원합니다. ' CREATE YOUR OWN GEMSTONES - Make any stone sparkle and polish everyday rocks into dazzling gemstones This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design. A TUMBLER THAT'S MADE TO LAST – Our high-quality tumblers are made with a durable motor that’s designed to last for years. The leakproof rubber barrel reduces sound, making it 75% quieter than other plastic models. An excellent STEM activity for kids. A COMPLETE HOBBY TUMBLING KIT - Everything you need to create polished gemstones: the tumbler, four polishing grits, sifter, nine types of real rough gemstones, plus a detailed full-color learning guide. Makes a great gift for girls and boys EASY TO USE – Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, set it and forget it This is a great gift for kids. HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right Power Source: Electric Size: One Size Included Components: Tumbling Grit (4 grades), Jewelry Fastenings, Rough Gemstones (1/2 lb), AC Power Adapter, Learning Guide, Strainer, Rock Tumbler Age Range Description: 8 years and up Sub Brand: National Geographic UPC: 816448020421 Global Trade Identification Number: 00816448020421 ASIN: B01LQCIL88 Product Dimensions: 13.81 x 4.88 x 8.06 inches; 4.63 Pounds Is Discontinued By Manufacturer: No Cartoon Character: (-) Department: girls Manufacturer Warranty Description: No Warranty Item Height: 8.06 inches Manufacturer: JMW Sales, Inc Item Type Name: Rock Tumbler Kit – Hobby Edition Release date: August 7, 2017 Manufacturer recommended age: 8 years and up Educational Objective: Geology Item dimensions L x W x H: 13.81 x 4.88 x 8.06 inches Color: Multicolor Item model number: NGHOBBYTUMBLER Material: Plastic Operation Mode: Automatic Brand: Blue Marble Brand Name: Blue Marble Assembly Required: No Theme: Geology Item Dimensions: 13.81 x 4.88 x 8.06 inches Age Range (Description): 8 years and up Item Weight: 2.1 Kilograms"