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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
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Description
NATIONAL GEOGRAPHIC Hobby Rock Tumbler Kit - Complete Rock Tumbler Kit with Durable Tumbler, Rocks, Grit, and Patented GemFoam Finishing Foam Polish, Educational Stem Science KitCREATE 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 time and speed control settings so you can set it, and forget it. An improved, leak proof barrel features a stainless steel lid. ALL IN ONE TUMBLING KIT You get
- 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 time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid.
- ALL-IN-ONE TUMBLING KIT - You get one pound of rough rocks with nine different types of gemstones inside, five jewelry fastenings, tumbler grit, a strainer, and our innovative new GemFoam polishing foam.
- 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!
- 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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Easy hanging
Size: 31x7 2Pcs, Color: Black
Great size and easy to hang. Have purchased many for my home.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Look great!
Size: 40x7 2Pcs, Color: Black
Love the way these turned out in my office! I connected 3 shelves in a row across the wall to make one long shelf and it looks great!
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Reviewed in the United States on April 16, 2026
★★★★★ 3
Nice looking. Not very sturdy. Easy to install.
Size: 40x7 2Pcs, Color: White, Size: 40x7 2Pcs, Color: White
Update: The shelf slopes at about a 45° angle when you put anything more than about a pound on the outside edge of it. Perfectly fine up against the wall. Just seems like the braces inside aren't long enough to really give the stability needed. Bracket is nice and tight against the wall. Had to add braces underneath to hold a small plant, a photo and a small container. Wa sloping more and more each week
The shelves look great and we're pretty easy to install. They have a single bracket that is very easy to mount to the wall and get nice and level..
The downside is that the bracket isn't long enough to go between studs. This seems like a pretty simple oversight. I mean why wouldn't you make it long enough to go stud to stud?
Secondly and maybe more fatally the bars that go inside the shelf to support them coming out from the wall are significantly shorter than the depth of the shelf. Unfortunately this means the shelf is only supported the first few inches coming out from the wall so there is the potential for a slight lean forward..
The anchors they send are trash. Cheap soft plastic that just tears and bends with a screwdriver. I would suggest spending $2 and grabbing your own anchors from Ace or home Depot.
The shelves are essentially made of a high grade cardboard kind of wood. They are not going to support much weight or last for years and years however there incredibly affordable and look nice and easy to install. Long as your expectations are right you'll be happy.
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Reviewed in the United States on October 23, 2023
★★★★★ 5
Great product.
Size: 24x6 2Pcs, Color: Black
Very good sturdy item
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Good buy for bath display
Color: White, Size: 36"W x12"D - 2P
Perfect. Easy install. Looks great
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Reviewed in the United States on March 16, 2026