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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

Includes: Instruction Guide

CPSC Choking Hazard Warnings: Choking_hazard_small_parts

Educational Focus: Science

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 options

Get it by Wed, Mar 10 with free 2-day shipping

Shipping details

Estimated ship dimensions: 10.88 inches length x 9.61 inches width x 8.05 inches height
Estimated ship weight: 6.08 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 in-store purchase, ship date or online order pickup. See return policy for details.
See the return policy for complete information.

From the manufacturer

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Guest Ratings & Reviews

4.1 out of 5 stars with 87 reviews
67% would recommend
31 recommendations
value: 3.24 out of 5
ease of use: 4.46 out of 5
broad age appeal: 4.41 out of 5
quality: 3.83 out of 5
length of play: 3.45 out of 5

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