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Rock tumbling is tons of fun and a great way to start a beautiful rock collection!

This Hobby Rock Tumbler Kit from National Geographic includes all the accessories you’ll need to start polishing dazzling gems. Kids can use the included jewelry fastenings 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

Rock tumbling is a fun activity for children of all ages and promotes an interest in geology and science! Join National Geographic as we inspire future generations by showing them the wonders of the natural world.

National Geographic Toys makes the highest quality hands-on science toys, and all products are backed by exceptional service.

About the National Geographic Society: With a mission to inspire people to care about the planet, the National Geographic Society is one of the world's largest nonprofit scientific and educational organizations.

Features & details

Features

  • 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 - National Geographic is proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service.

Product information Hobby Kit

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Important information

Safety Information :

choking hazard - small parts - not suitable for children under 3 years

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lowest NATIONAL GEOGRAPHIC Hobby Rock online sale Tumbler Kit - Includes Rough Gemstones, 4 Polishing sale Grits, Jewelry Fastenings, Learning Guide, Great Stem Science Kit online sale

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