Is it 230volts 50 hz please let me know

Yes this is working on 230 volts 50 Hz.

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

Can I use it for kno3 powdering

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

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

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

Product ID: 76263492

Details

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

🌈Includes 9 real rough gemstones for variety

💎4-stage polishing grit for pro shine

⏲️Auto shutoff timer for safe, hands-free use

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R$3644

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Description

💎 Polish your passion, rock your world!

EDUCATIONAL FUN - Explore geology and gemology with a trusted National Geographic experience.
EFFORTLESS OPERATION - One-touch settings and automatic shutoff for stress-free tumbling.
VERSATILE CREATIVITY - Polish sea glass, metal scraps, and more to expand your artistic horizons.
COMPLETE ALL IN ONE KIT - Everything you need—tumbler, grits, sifter, guide, and gemstones included.
TRANSFORM ORDINARY ROCKS INTO DAZZLING GEMS - Make any stone sparkle with professional-grade polishing.

The Blue Marble National Geographic Hobby Rock Tumbler Kit is a comprehensive, easy-to-use set designed for kids 8 years and up to polish rocks into sparkling gemstones. Featuring a 4-stage polishing system, automatic shutoff timer, and including nine types of real rough gemstones, this kit combines education and creativity in a trusted National Geographic package.

Specifications

ASIN	B01LQCIL88
Age Range (Description)	96 months to up
Age Range Description	96 months to up
Best Sellers Rank	#128,823 in Toys & Games ( See Top 100 in Toys & Games ) #3,284 in Science Toys & Kits
Brand	Blue Marble
Country of Origin	USA
Customer Reviews	4.5 out of 5 stars 24,799 Reviews
Educational Objective	Geology
Global Trade Identification Number	00816448020421
Included Components	AC Power Adapter, Jewelry Fastenings, Learning Guide, Rock Tumbler, Rough Gemstones (1/2 lb), Strainer, Tumbling Grit (4 grades)
Is Assembly Required	No
Item Dimensions	35.1 x 12.4 x 20.5 Centimeters
Item Type Name	Hobby Rock Tumbler
Item Weight	2.3 kg
Item dimensions L x W x H	35.1 x 12.4 x 20.5 Centimeters
Manufacturer	JMW Sales, Inc
Manufacturer Part Number	NGHOBBYTUMBLER
Manufacturer Warranty Description	No Warranty
Material	Metal,Gems
Minimum Recommended age	96.0
Model Number	NGHOBBYTUMBLER
Size	Medium
Theme	Geology
UPC	816448020421

Reviews

D**I

Buy this product and enjoy your hobby but do not pay three time more on Amazon.

Excellent product and 100% results producer but now a days this product buy on Amazon is totally foolish idea because very very expensive compared to original cost in USA. Dear buyers don't buy this product.

28.03.2019

G**E

Worth it

Awesome product. Good for a start

17.10.2018

S**O

Simple Pass.

1 🌟 less for some funny jewelley fastenings and another 1 🌟 less for some tiny bizarre stones.

2.11.2020

D**X

Not for gemstone

Not for gemstone.damaged my lot of valuable gemstone.

29.08.2018

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