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National Geographic Gemstone Rock Tumbler Kit STEM Educational Fun for Kids

MatontsJack
(17745)
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US $80.89
ApproximatelyC $110.75
Condition:
New
2 available
Breathe easy. Free shipping and returns.
Shipping:
Free Expedited Shipping.
Located in: Denver, Colorado, United States
Delivery:
Estimated between Thu, Jul 17 and Mon, Jul 21 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Seller pays for return shipping.
Payments:
     Diners Club

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eBay item number:256738451844
Last updated on Jun 17, 2025 21:58:32 EDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item (including handmade items). See the seller's ...
Type
Science Fundamentals Kit
Color
Multicolor
Size
One Size
Shipping
Free Express United States Shipping
UPC
0689806952685

About this product

Product Identifiers

Brand
National Geographic
MPN
NGHOBBYTUMBLER
Ean
0816448020421, 0713717896384
GTIN
0816448020421, 0689806952685, 0713717896384
UPC
0816448020421, 0713717896384
eBay Product ID (ePID)
22027052417

Dimensions

Weight
4.94lbs.

Item description from the seller

About this seller

MatontsJack

97.9% positive feedback•60K items sold

Joined Mar 2018
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
4.9

Seller feedback (18,421)

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  • c***b (322)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    I really appreciate this seller making sure I got my item even when it was lost. I contacted them and within a week I had received a replacement exactly as it had been advertised.
    Adam-12: Season 2 (#255367618563)
  • o***o (12613)- Feedback left by buyer.
    Past month
    Verified purchase
    The photo provided and what was recieved were very different --- with NO communication from the seller that the product packaging had changed. Additionally, listing photo (first/left one) was for 1050', not 1050" -- a big (and deceptive) difference. AND what happened to the black plastic center roll/rod support? My system uses that. It's missing - and I was not expecting that! Only have the center hole of the paper -- which is NOT what I ordered. I did appreciate the quick ship-out.
    Follow-up from: o***o- Feedback followed up on by buyer.- Feedback followed up on by buyer.
    In addition -- I ordered 40#. I got 30#. I will NOT order from this seller again.
    Kraft Paper Roll 30'' X 1800'' 150ft Brown Mega Roll - Made in Usa 100% Natural (#254427301986)
  • l***j (1639)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Great seller, excellent value, as described well packed fast delivery.
    10 Pack .25mm CNC Jewelry Japanese Micro Drill Bits Toy Making Model Cars Trains (#256034220332)
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Product ratings and reviews

Learn more
4.8
38 product ratings
  • 32 users rated this 5 out of 5 stars
  • 4 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 1 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Durable

Entertaining

Most relevant reviews

See all 32 reviews
  • by paulsgirl123
    Nov 06, 2019Top favourable review

    Awesome tumbler!

    This is awesome! It takes awhile for the rocks to go through the process (usually about 5-8 days per grit and there are 4 different grits). We are on the last grit for polishing. The stones already look amazing and I can't wait to see the finished product. We used all of the rocks that came with the kit as well as some stones from the beach. The next batch will be all beach rocks so it will be interesting to see how they turn out. Because of the rubber tub, the noise the tumbler makes is pretty quiet. We keep it in the basement of our home and sometimes I forget that it's there because it is so quiet.

    Verified purchase: YesCondition: NewSold by: bosco5333

  • by blbonniel
    Nov 07, 2018

    Fun project.

    I wasn't sure about the size when I first ordered. It is smaller then I thought but large enough to hold a small batch of rocks. I am new at rock tumbling and didn't realize it takes about a month of steady running and weekly changing the grit to get the end result. I am enjoying the process and the tumbler is very easy to run and very sturdy. I am happy with my purchase.

    Verified purchase: YesCondition: NewSold by: mirana-fenik

  • by pavilover
    Aug 09, 2018

    Gem Fun

    I purchased the rock tumbler for my 9 year old grandson who loves mining for gems. He is thrilled with the tumbler for it polishes his gems making them more eye appealing. Great value too.

    Verified purchase: YesCondition: NewSold by: *vanityhub*

  • by erisantan-93
    Jan 08, 2019

    cool

    it's a fun activity to do with your kids, but it only brings joy when you are filling it or opening it, the rest is just a noisy waiting game, so make sure you have where to put it, and be patient, also order extra grit kits you will need them eventually

    Verified purchase: YesCondition: NewSold by: iihotproducts

  • by nana-di
    Jan 24, 2018

    Husband Loves!

    I got this kit for my husband for Christmas. Every item was fun for him to view, He has rocks tumbling all the time. It is a winner for him.

    Verified purchase: YesCondition: NewSold by: ktmiley

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