Rock Tumbler - World Geology Gem

8 years +
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 - Rock Tumbler Kit
Rock Tumbler Kit

A fun, educational STEM toy for kids, this rock tumbler kit is great for the whole family! Your kids will enjoy collecting and polishing gems while learning how gemstones are made. With this set, you’ll receive 9 rough gemstones a full pouch of rough gems and polishing grits, a noise reduction cover, storage bag and more!

 - A Complete hobby tumbling kit
A Complete hobby tumbling kit
Make any stone sparkle and polish everyday rocks into dazzling gemstones! This rock tumbler kit makes it fun and easy to turn rough rocks into beautifully polished gemstones.
How to Play

Pour in the rough stones, 150-mesh grit, and polish for 1 day.


Pour in 600-mesh grit and polish for 1 day.


Apply hand cream to the gemstones and make them more dazzling.


8 years


1.6 kg (3.53 lbs)


Length: 47 cm (18.5 in)

Width: 44.5 cm (17.52 in)

Height: 25.5 cm (10.04 in)


Acrylonitrile butadiene styrene (ABS)

What's in the box

Rock Tumbler Machine

Leak-resistant Barrel

Noise Reduction Cover,

9 Different types of Stones

150-mesh polish grit

600-mesh polish grit

Bag of white Crystal

Jewelry Fastenings

Measuring Cup

2 gem Storage Bags

Illustrated Easy-to-Follow Instruction

Available Stores
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