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National Geographic Hobby Tumbler

National Geographic Hobby Tumbler - image 1 of 1

About this item


  • Start tumbling right away: Each kit includes nine types of rough gemstones (0.5 lb), four polishing grits, jewelry fastenings, an educational guide, and thorough instructions.
  • Built to last, the Hobby Tumbler features a metal base, stainless steel lid, leak-proof rubber barrel (for quieter tumbling), two tumbling belts, and a workhorse motor with an auto-shutoff feature that stops if the barrel is loaded too full.
  • Make custom jewelry out of your polished gemstones with the included settings for two pendants, a necklace, a ring, a keychain, and two pins.
  • The full-color National Geographic Learning guide (written by teachers) is packed full of fascinating facts about rock tumbling, gems, and geology. And the instructions include tumbling tips from the experts.
  • With National Geographic’s 2-year warranty, you can be sure you’re getting a quality product that will keep on tumbling…and tumbling…and tumbling…
Designed by professional rock-hounds especially for National Geographic, this Hobby Tumbler comes with everything you need—and more—to start polishing gemstones right away. It comes with nine types of Gemstones: Agate, Amethyst, Aventurine, Dalmatian jasper, Jasper, Red jasper, Hematite, Rose quartz, Sodalite, and Tiger’s eye. You can also tumble rocks that you find yourself! One-touch settings make this the ideal tumbler for rock-hounds of all ages and skill levels. The reinforced rubber barrel absorbs noise for a quieter rock-tumbling experience.
Material: Rubber
Includes: Instruction guide
Suggested Age: 8 Years and Up
CPSC Choking Hazard Warnings: Choking_hazard_small_parts
Grade Level: 3rd Grade
Number of Players: 1 or More Players
Educational Focus: Science
TCIN: 52188762
UPC: 816448020421
Item Number (DPCI): 086-00-3912
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WARNING: choking hazard - small parts. Not for children under 3 yrs.

Ratings & reviews

overall: 4.9 out of 5 stars, see all reviews

Most recent reviews

National geographic rock tumblers

(would recommend)
5 out of 5 stars
Tammie Madill 1 month ago
I like this national geographic rock tumbler. I watched my grandmother use a rock tumbler, so I got this one. And it's great, my grandsons were interested. So that cool all in its Selfsee moreof the reviewer's review
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(would recommend)
5 out of 5 stars
happy camper 1 month ago
It's awesome. we check the rocks every once in a while. lol It's been running for 3 weeks! so far so good.see moreof the reviewer's review
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nat geo rock tumbler.

(would recommend)
4 out of 5 stars
geo315 8 months ago
verified purchaser
A+ item. plugged it in and its running rite now.
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(would recommend)
5 out of 5 stars
Lisalou 11 months ago
verified purchaser
Great set for a young rock lover. The company has great customer service!
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rock tumbler

(would recommend)
5 out of 5 stars
Valky 1 year ago
verified purchaser
A complete kit with very nice quality and a good price! The motor doesn't get hot no matter how many days you leave it on.
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