National Geographic Hobby Rock Tumbler Kit – Durable Leak-Proof Rock Polisher with 7-Day Timer, Complete Rock Tumbling Kit with Grit, Jewelry Settings & GemFoam Polish, Educational STEM Science Kit

★★★★★ 4.5 93 reviews

$69.99
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$69.99
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 209886201 Release Date 2026/04/02 List Price $28.00 Model Number 209886201
Category
  • CREATE YOUR OWN GEMSTONES - Rock tumbling is a hugely popular hobby for kids and adults! This robust rock polisher 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 1/2 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 tumbling 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!
  • AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!

UPC 816448028830
Size One Size
Theme Geology
Language English
Set Name Rock Tumbler Kit
Sub Brand National Geographic
Brand Name Blue Marble
Unit Count 1.0 Count
Item Weight 1.9 Kilograms
Manufacturer JMW Sales, Inc.
Model Number NGHOBBYTUMBLER2
Material Type Plastic
Item Type Name Hobby Rock Tumbler Kit
Item Dimensions 13.11 x 5 x 8.15 inches
Included Components Complete Rock Tumbling Kit
Is Assembly Required No
Age Range Description 8 years and up
Educational Objective STEM
Manufacturer Part Number NGHOBBYTUMBLER2
Manufacturer Maximum Age MONTHS 1188.0
Manufacturer Minimum Age MONTHS 96

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4.5 out of 5
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93 ratings | 38 reviews
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