•This kit has everything you need including 1/2 pound of rough rocks, 4 bags of polishing grit, a strainer, and 5 jewelry settings.
•The heavy-duty tumbling machine features a built-in programmable timer and a 1-pound capacity rubber barrel to reduce noise.
•With easy-to-follow instructions and an easy-to-operate tumbler, this kit makes it easy to make rock tumbling your new hobby
•What’s in the Box: 1 Heavy-Duty Tumbling Machine with Built-In Programmable Timer, 1 Pound (450 G) Capacity Rubber Barrel to Reduce Noise, 1 Bags of Assorted Gems 0.55 lb (250 g), 4 Bags of Polishing Grits 0.7 oz (20g) each, 1 Rock Strainer, 5 Jewelry Settings, Learning Guide and Instructions

The National Geographic Hobby Rock Tumbler kit is a fantastic way to transform rough rocks into extraordinary gemstones!
This kit has all the features and accessories you’ll need to start an awesome rock collection and create beautiful jewelry. These include a heavy-duty tumbling machine with a built-in programmable timer, a leakproof tumbling barrel, 4 bags of polishing grit, and 1/2 pound of rough rocks. You’ll also get a strainer and five jewelry settings that will let you make beautiful pieces from your favorite stones! Easy-to-follow instructions will help you become a tumbling expert in no time! ‘
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
UPC: 816448026171
Model: 52188762