Blue Marble National Geographic Hobby Rock Tumbler Kit- Multi Color, Kids

Blue Marble National Geographic Hobby Rock Tumbler Kit- Multi Color, Kids

Q: Is it 230volts 50 hz please let me know

Yes this is working on 230 volts 50 Hz.

Q: What is the actual cost of rock tumbler ?. Sometims it showed 5+thousand, sometimes 13+ Sometimes 18 + flirting price...

Now a days to import form USA or buy at Amazon is very expensive

Q: Can I use it for kno3 powdering

Actually my requirement is different. I have no idea about kno3 powdering.

Product ID: 76263492

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Details

Size
Medium
Brand
Blue Marble
Theme
Geology
Age Range (Description)
96 months to
Item dimensions L x W x H
35.1 x 12.4 x

💎4 polishing grits for pro shine

🪨Includes 9 real rough gemstones

⏲️Auto shutoff timer for ease

Frequently Bought Together

National Geographic Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults

Blue Marble National Geographic Rock Tumbler Grit and Polish Refill Kit - Tumbling Grit Media, Polish Up to 20 lbs. of Rocks, Works with Any Rock Polisher, Rock Tumbler Supplies

NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit – 1Lb. Gemstones and Rocks for Tumbling including Unpolished Amethyst and Quartz – Rock Tumbler Supplies include Rock Tumbler Grit and Jewelry Accessories

Description

💎 Polish your passion, rock your world!

ALL IN ONE KIT - Everything you need—tumbler, grits, sifter, guide, and real gems—in one sleek package.
TRUSTED LEGACY - Backed by 129 years of National Geographic’s commitment to inspiring young explorers.
EDUCATIONAL FUN - Dive deep into geology with a kit designed to spark curiosity and creativity.
EFFORTLESS OPERATION - One-touch settings with automatic shutoff make rock polishing stress-free.
TRANSFORM ROCKS INTO GEMS - Turn everyday stones into dazzling, museum-quality treasures.

The Blue Marble National Geographic Hobby Rock Tumbler Kit is a complete, easy-to-use rock polishing set that includes a tumbler, four polishing grits, a sifter, a learning guide, and nine types of real rough gemstones. Designed for ages 8 and up, it features one-touch controls with an automatic shutoff timer, enabling users to transform ordinary stones into sparkling gems while exploring geology in a fun, educational way.

Specifications

Educational Objective(s)	Geology
Language:	English
Model Number	NGHOBBYTUMBLER
Assembly Required	No
Batteries Required	No
Batteries Included	Yes
Material Type(s)	Metal,Gems
Remote Control Included?	No
Product Dimensions	35.08 x 12.4 x 20.47 cm; 2.3 kg
Item model number	NGHOBBYTUMBLER
Manufacturer recommended age	8 years and up
Manufacturer	JMW Sales, Inc
Country of Origin	USA
Item Weight	2 kg 300 g

Have a Question? See What Others Asked

Is it 230volts 50 hz please let me know

What is the actual cost of rock tumbler ?. Sometims it showed 5+thousand, sometimes 13+ Sometimes 18 + flirting price...

Can I use it for kno3 powdering

What is the life cycle of polishing grit

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