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NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Noise-Reduced Barrel, Grit, 2.5 Pounds Raw Gemstone & Jasper Mix, Great STEM Hobby Kit

4.5 out of 5 stars 997 ratings

Price: S$237.11
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Enhance your purchase

  • 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. Makes an excellent STEM gift or activity for girls and boys!
  • ALL-IN-ONE TUMBLING KIT - This complete kit has everything you need to create polished gemstones. In addition to the tumbler, four polishing grits, sifter, and rough gemstones, this bundle includes refill packs with 1lb each of rough gemstones and rough jasper. Learn all about the gemstones in your kit with the detailed, full-color learning guide.
  • 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, so you can set it and forget it. This is a great gift for kids!
  • SATISFACTION GUARANTEED – The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun! If your experience is anything less than extraordinary, let us know so we can make it right for you.

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Frequently bought together

  • NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Noise-Reduced Barrel, Grit, 2.5 Pounds Raw Gemstone & Jasper Mix, Great STEM Hobby Kit
  • +
  • NATIONAL GEOGRAPHIC Rock Tumbler Grit - 3.28 Pounds Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher, Polishes 8-10 Pounds of Rocks
  • +
  • National Geographic Rock Tumbler Mega Refill Kit - 3lbs Gemstones of 9 Varieties Including Tiger's Eye, Amethyst & Quartz - 4 Grades of Grit, Jewelry Fastenings & Detailed Learning Guide
Total Price: S$455.14
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Product description

Great way to start a rock collection!learn about the exciting hobby of rock tumbling with National Geographic. This set includes everything you need including two bonus rough gemstone refill packs (jasper mix and variety). rock tumbling is tons of fun and a great way to start an extraordinary rock collection. Kids can use the included jewelry fastenings to create beautiful homemade jewelry!contents and features:national Geographic toys is proud to provide a 100% satisfaction guarantee with all our products 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 NET proceeds support vital exploration, conservation, research, and education programs.


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Most helpful customer reviews on Amazon.com

Amazon.com: 3.2 out of 5 stars 131 reviews
GatorDude
3.0 out of 5 stars Great for first time tumblers
7 July 2020 - Published on Amazon.com
Verified Purchase
78 people found this helpful
Rocks
5.0 out of 5 stars I love love this tumbler
16 June 2020 - Published on Amazon.com
Verified Purchase
Customer image
5.0 out of 5 stars I love love this tumbler
Reviewed in the United States on 16 June 2020
Ok rock tumbling groups always tell people to go for the lortones or thumlers. But I have a Lortone and I like my Nat Geo tumbler more. The grit that comes with the kit will not shine your rocks up super shiny. I do recommend getting different grit (Polly Plastics or The Rock Shed have great grits) but the tumbler itself is really solid.

Pros it has over a Lortone 3A?
On and off switch (This is really important to me as a disabled tumbler)
Count down timer (I really appreciate that)
Smaller barrel as not everyone needs 10-15 lbs of rocks going at once. Even 4 lbs is getting too much for me)

Cons:
It has a faster RPM than the other tumblers so CHECK YOUR ROCKS more often! Every few days!

But all in all it's a quiet reliable tumbler and I like it.
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52 people found this helpful
Heather
5.0 out of 5 stars Way cool!
3 May 2020 - Published on Amazon.com
Verified Purchase
31 people found this helpful
Heylisa
1.0 out of 5 stars DONT BUY! DOES NOT POLISH, return window shorter then time it takes to polish 1 batch
13 November 2020 - Published on Amazon.com
Verified Purchase
Customer image
1.0 out of 5 stars DONT BUY! DOES NOT POLISH, return window shorter then time it takes to polish 1 batch
Reviewed in the United States on 13 November 2020
This tumbler is crap! I tumbled my rocks for close to a month in hopes they would be especially shiny, as it says to tumble for longer if you feel it needs more time. When I finally finished them and was all excited to see how shiny they would be, I was left extremely disappointed because my one shiny raw rocks were now half gone and completely dull. Now I can’t even return them because the window of return has now passed. Despite the fact that I had no way of knowing how bad this tumbler was until I had completed 1 batch of rocks. Well that was last night, as it took a long time and they still aren’t polished looking at all. Total waste of money and ruined my nice rocks! DONT BUY THIS TUMBLER!! Unless you are trying to ruin your nice raw gemstones.
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14 people found this helpful
Crystal D. Zick
4.0 out of 5 stars Neat but boy is it loud still
31 December 2020 - Published on Amazon.com
Verified Purchase
23 people found this helpful