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National Geographic Hobby Rock Tumbler Kit - image 1 of 3National Geographic Hobby Rock Tumbler Kit - image 2 of 3National Geographic Hobby Rock Tumbler Kit - image 3 of 3
National Geographic Hobby Rock Tumbler Kit - image 1 of 3
WARNING: choking hazard - small parts. Not for children under 3 yrs.

About this item

At a glance

STEM: Science
STEM: Science


  • Turn rough rocks into dazzling gemstones with this rock tumbler
  • Kit comes with rough rocks, grit, strainer, and jewelry settings
  • Includes a learning guide packed with educational information
  • A fantastic kit for kids interested in geology and rock collecting


Contains: Does Not Contain Any of the 8 Major Allergens

Suggested Age: 8 Years and Up

CPSC Choking Hazard Warnings: Choking_hazard_small_parts

Educational Focus: Science

Includes: Instruction Guide

Battery: No Battery Used

TCIN: 52188762
UPC: 816448026171
Item Number (DPCI): 086-00-3912
Origin: Imported


The National Geographic Hobby Rock Tumbler Kit is a complete rock polishing kit that allows your kid to turn rough rocks into gemstones. Tumbler kit by National Geographic includes one pound of rough gemstones, eight packets of polishing grit, a storage pouch, and five jewelry fastenings. The tumbler base and motor are built to last and the tumbler barrel is designed to be low-noise and leak-proof. It has a built-in timer and automatic shut-off switch too. Now your kids can create beautiful keepsakes from your favorite specimens. 
STEM: Science
STEM toys are Science, Technology, Engineering and Math based products that are geared towards developing useful skills in all areas of learning. This product focuses on the core subject: science.
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Shipping details

Estimated ship dimensions: 10.79 inches length x 9.38 inches width x 8.03 inches height
Estimated ship weight: 6.72 pounds

Return details

This item can be returned to any Target store or Target.com.
This item must be returned within 90 days of the date it was purchased in store, shipped, delivered by a Shipt shopper, or made ready for pickup. View return policy for details.
See the return policy for complete information.

From the manufacturer

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Guest Ratings & Reviews

3.6 out of 5 stars with 157 reviews
46% would recommend
60 recommendations
value: 2.4 out of 5
broad age appeal: 4.02 out of 5
length of play: 2.56 out of 5
ease of use: 3.91 out of 5
quality: 2.87 out of 5

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