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Blue Marble

National Geographic Starter Rock Tumbler Kit for Kids and Adults

Leak-Proof Rubber Barrel, 1/2 Lb. Rough Gemstones, 4-Stage Polishing Grit, Jewelry Fastenings, Geology Hobby, Birthday Gift

$39.99Verified

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Amazon best seller No. 3 in Kids' Rock Tumblers

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What it is

7 attributes, in the retailer’s own words.

Size
1 Count (Pack of 1)
Color
Multicolor
Weight
4.19 pounds
Dimensions
12 × 10.98 × 5.2 inches
Model
NGTUMBLER2
Released
October 2017
Warranty
We're proud to make the highest quality products which are backed by exceptional service.

Black Friday is Friday, November 27, 2026. Amazon’s Black Friday deals run November 19–30, through Cyber Monday, from 12:01 a.m. PT (3:01 a.m. ET) on November 19. , Amazon lists National Geographic Starter Rock Tumbler Kit for Kids and Adults at $39.99, with no deal badge.

Cheaper in Kitchen, and what changes

Things of the same kind for at least 10% less than $39.99, with the attributes the retailers describe differently. Their words, not our judgement: we compare listings, we do not test products.

Identifiers

ASIN
B01I56RV0C
EAN
0816448020391

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All kitchen prices

Best sellers in Kids' Rock Tumblers on Amazon

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$39.99Verified

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