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NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Durable Noise-Reduced Barrel, Rocks, Grit & New GemFoam for a Shiny Finish, Cool Toys, Great STEM Hobby Kit

4.3 4.3 out of 5 stars 3,164 ratings

$110.00 with 21 percent savings
RRP: $139.99

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Hobby Kit 2
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Purchase options and add-ons

Brand National Geographic
Theme Geology
Age range (description) 8 years and up
Item dimensions L x W x H 35.2 x 20.5 x 12.5 centimetres
Item weight 1.9 kg

About this item

  • CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults! This robust rock tumbler 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 - The durable motor has tumbling time control settings so you can set it and forget it. The leak-proof barrel features a stainless-steel lid and is 75% quieter overall than plastic tumbler barrels.
  • ALL-IN-ONE TUMBLING KIT - This kit has everything you need and then some! You get 227 grams of rough rocks with nine different types of gemstones inside, five jewelry fastenings, tumbler grit, a strainer, and our innovative new GemFoam rock polisher.
  • USE GEMFOAM FOR DAZZLING RESULTS - This rock tumbler kit stands apart from others thanks to our new, reusable GemFoam rock polisher! Add GemFoam and water to the barrel after your final tumbling stage and your gems will have incredible shine!
  • 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!

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Product Description

National Geographic Hobby Rock Tumbler Kit

The National Geographic Hobby Rock Tumbler Kit has all the features and accessories you’ll need to master rock tumbling, start an extraordinary rock collection, and create beautiful jewellery. Includes a durable rock tumbler, 226 grams of rough stones to tumble, grit, jewellery settings, and more!

Turn rough rocks into amazing gemstones with the Hobby Rock Tumbler Kit!

This rock tumbler kit has all the features and accessories you’ll need to master rock tumbling, start an extraordinary rock collection, and create beautiful jewellery.

This high-quality tumbling machine boasts a powerful motor that will last for years; a power-saving automatic shutoff timer; and a noise-reducing, leak-proof barrel. Plus, everything is included to get started: a 226 grams of assorted stones from around the world, 4 stages of polishing media, and jewellery fastenings to you can create your own unique wearables with your tumbled gems. Plus, it also includes GemFoam, the most innovative way to add dazzling shine to your polished stones!

This high-quality tumbler allows you to set your tumbling time. When the time expires, your tumbler will automatically shut-off, allowing you to choose the perfect amount of tumble time for each grit stage. Plus, our tumbling barrel dampens sound better than most tumblers out there.

The rough rocks provided (226 g) contain nine different gemstones from around the world, and our tumbling grit is labeled by tumbling stage to make the process even easier! Choose your favourite gems and turn them into jewellery with the included necklace, key chain, ring, and two clip-on earring fastenings inside.

And don't forget about GemFoam, our exclusive new way to add dazzling shine to your polished rocks! Use GemFoam just like tumbling grit, simply add it to the barrel with your stones and water, then three days later marvel at the shine! GemFoam is reusable too, allowing you to create a truly impressive gemstone collection!

We make the highest quality hands-on science toys, and all products are backed by exceptional service. 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.

national geographic kids toys stem science chemistry geology geodes gemstones rock tumblers supplies
national geographic kids toys stem science chemistry geology geodes gemstones rock tumblers supplies
national geographic kids toys stem science chemistry geology geodes gemstones rock tumblers supplies
national geographic kids toys stem science chemistry geology geodes gemstones rock tumblers supplies
national geographic kids toys stem science chemistry geology geodes gemstones rock tumblers supplies

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NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Durable Noise-Reduced Barrel, Rocks, Grit & New GemFoam for a Shiny Finish, Cool Toys, Great STEM Hobby Kit
NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Durable Noise-Reduced Barrel, Rocks, Grit & New GemFoam for a Shiny Finish, Cool Toys, Great STEM Hobby Kit
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Price-21% $110.00
RRP:$139.99
$243.05$69.99$159.99$51.99$49.99
Delivery
Get it 22 - 30 May
Customer ratings
Easy to use
4.8
4.1
5.0
4.0
Value for money
4.5
4.3
4.3
4.0
Sold by
National Geographic Learning Toys
Amazon US
National Geographic Learning Toys
National Geographic Learning Toys
National Geographic Learning Toys
National Geographic Learning Toys
material
Multiple
Multiple
Silicone
default no selection value
Crystals
Crystal
Age Range
8 years and up
8 years and up
96 months to 1188 months
Kid,Adult
8 years and up
8 years and up
Educational objective
STEM
STEM
STEM
STEM
STEM
STEM
Language
english, english, english, english, english
english
english
english, german, french, spanish, italian, english
english
Weight
4.19 pounds
2 pounds
4 pounds
9.92 pounds
3.97 pounds

Important information

Safety Information:

Not suitable for children under 8 years. For use under adult supervision.

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Customer reviews

4.3 out of 5 stars
4.3 out of 5
3,164 global ratings

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Top reviews from Australia

Reviewed in Australia on 1 July 2023
Style Name: Hobby Kit 2Verified Purchase
I bought a rock tumbler and i can honestly say it works great i have had amazing progress in just two days use , i highly recommend this product and have made extra purchases as well. I am only a beginner at this but so far i have had awesome results and planning to upgrade as soon as i can and will continue to purchase products from amazon down under and would like to try different products from the sight, go ahead dare to be different the results may surprise you.
2 people found this helpful
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Reviewed in Australia on 7 December 2023
Style Name: Hobby Kit 2Verified Purchase
Gift for my daughter for her ever growing rock collection.
Reviewed in Australia on 27 August 2022
Style Name: Hobby Kit 2Verified Purchase
The media could not be loaded.
 It said it was quiet but it’s pretty loud
4 people found this helpful
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Reviewed in Australia on 9 August 2023
Style Name: Hobby Kit 2Verified Purchase
Exactly as described A+
Reviewed in Australia on 14 November 2023
Style Name: Hobby Kit 2Verified Purchase
Great gift for an 8 year ol budding rock doctor.
Reviewed in Australia on 12 June 2023
Style Name: Hobby Kit 2Verified Purchase
Works like a charm.
Reviewed in Australia on 25 August 2022
Style Name: Hobby Kit 2Verified Purchase
We are still in process of going to our final polish, however some of our gems and crystals will make fine jewelery. We love this, it is a great extention to fossiking.
One person found this helpful
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Reviewed in Australia on 13 November 2023
Style Name: Hobby Kit 2Verified Purchase
Works well, but rocks come out with small bruises/cracks/fractures from tumbling too fast. Also a bit noisy, not enough stage 1 grit, and "gem foam" doesn't seem to do anything.

Top reviews from other countries

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t.l.
5.0 out of 5 stars Amazing Company
Reviewed in Canada on 13 July 2021
Style Name: Hobby Kit 2Verified Purchase
So I had this little tumbler for about 7 months and it stopped working. Everything up to that point had been great; quiet, good job tumbling, easy to use, able to set the amount of days you want to tumble. I contacted the seller and almost immediately, Megan from Customer Service contacted me saying they would send me a new unit as they have a 2 year warranty. Easiest return I have ever had. No jumping through hoops, no trying to put the blame on the consumer and didn't even have to send the unit back. Megan also sent an immediate confirmation that I would be receiving a new unit on Monday.
3 people found this helpful
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David Monreal
3.0 out of 5 stars Muy bien hasta que dejó de funcionar
Reviewed in Spain on 11 March 2024
Style Name: Hobby Kit 2Verified Purchase
Después de varios ciclos, ha empezado a hacer mucho ruido y ha dejado de funcionar. Lo compré hace seis meses y ya tengo que tirarlo :-(
C.L
5.0 out of 5 stars fonctionne bien
Reviewed in France on 28 March 2023
Style Name: Hobby Kit 2Verified Purchase
cadeau de noel pour mes parents qui aime faire des bijoux fantaisies.
il me dise que le procédé est long mais que le résultat est bon.
les pierres qu'ils ont ramassé eux même on perdu 50% de leur taille.
Cheesywotsit
5.0 out of 5 stars Great tumbler, excellent support
Reviewed in the United Kingdom on 27 March 2023
Style Name: Hobby Kit 2Verified Purchase
Easy to use. Faulty motor stopped working but a quick email to the customer services and a new one was delivered two days later. Excellent customer support and no problems since.
3 people found this helpful
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Sven Klein
5.0 out of 5 stars Nichts für ungeduldige
Reviewed in Germany on 22 May 2022
Style Name: Hobby Kit 2Verified Purchase
Englischkenntnisse vorausgesetzt.
Mit im Paket sind tatsächlich schöne Steine, wie Lapis Lazuli oder Tigerauge.
Den Medium-Schritt kann man überspringen, wenn man den Course(Grob) einfach ein bis zwei Tage länger laufen lässt. Ja, TAGE. Polieren dauert bis zu einer Woche, aber es reicht, das Gerät Tagsüber laufen zu lassen, ist auch sicherer. Darüber hinaus kann man einfach grobes Silizium-Carbit und Aluminiumoxid kaufen und jederzeit schöne Steine selbst polieren.
Trommel ist aus Gummi, daher ist sie nicht ganz so laut. Bedienung ist ein Kinderspiel.
19 people found this helpful
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