KFFKFF Rock Tumbler Kit, 2 lbs Stone Polishing Set, 4 Adjustable Speeds with 9-Day Timer, Includes Rough Gemstones and Polishing Materials, Suitable for Adults and Kids
KFFKFF Rock Tumbler Kit, 2 lbs Stone Polishing Set, 4 Adjustable Speeds with 9-Day Timer, Includes Rough Gemstones and Polishing Materials, Suitable for Adults and Kids
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KFFKFF

KFFKFF Rock Tumbler Kit, 2 lbs Stone Polishing Set, 4 Adjustable Speeds with 9-Day Timer, Includes Rough Gemstones and Polishing Materials, Suitable for Adults and Kids

|43 ratings

Key item features

  • Direct-Drive Motor Design: This rock tumbler kit features a low-voltage direct-drive motor, ensuring smoother and more efficient polishing by eliminating the need for belt transmission. This design reduces wear and tear, minimizes maintenance, and avoids belt replacements. Operating at ≤35 dB, it provides a quiet and enjoyable crafting experience.
  • Consistent Polishing Performance: This rock tumbling kit includes 8 varieties of rough stones, each showcasing distinct textures and vibrant colors. Designed for both beginners and seasoned hobbyists, it enables you to turn unpolished stones into stunning gemstones, highlighting their natural luster and charm.
  • Customizable Settings: This rock tumbler is equipped with a timer adjustable from 1 to 9 days and offers 4 speed options ranging between 75 RPM and 120 RPM, catering to various polishing requirements across different materials and stages. It includes overload protection and a power-off memory function, allowing it to continue the cycle from where it stopped after a power interruption. The consistent-speed mechanism ensures even and reliable polishing outcomes.
  • Enhanced Capacity for Efficiency: This rock tumbler features a 2-pound heavy-duty barrel, allowing you to polish more stones simultaneously. Its spacious design improves efficiency, ensures consistent polishing results, and minimizes the need for frequent refills, making operation more convenient.
  • Comprehensive Set: This rock tumbler package comes with a detailed manual, a variety of rough stones, circular abrasives, microcrystalline silicon carbide, polishing compounds, a filter sieve, hollow shaker balls, single rings, pendant cords, flat ring bases, and an adapter. Equipped with all necessary accessories, it is ideal for home crafting projects or bonding activities with children, allowing you to experience the process of turning raw stones into polished gems.

Specs

Volume capacity, 2 lbRock tumbler type, Rotary Rock TumblersBrand, KFFKFFMaterial, PlasticFeatures, Easy To UseItems included, Rock Tumbler Kit, User Manual, Bag of Mixed Rough Stones (450 g), Round Abrasive Media, Stage 1 Silicon Carbide Grit 320#, Stage 2 Silicon Carbide Grit 600#, Stage 3 Silicon Carbide Grit 800#, Stage 4 Polishing Powder, Strainer Spoon, Hollow Shaker Ball, Jump Ring, Pendant Cord, Ring Blank with Flat Pad, Adapter

About this item

Product details

Product Description

Rock Polishing Kit
This rock tumbler is equipped with a direct-drive motor, eliminating the need for belts to ensure quiet operation at ≤35 dB. It features a timer adjustable from 1 to 9 days, four speed settings, overload protection, and power-off memory for safe and convenient use. The 2-pound capacity barrel accommodates more stones, enhancing efficiency, while the comprehensive kit simplifies the process of transforming rough stones into polished gems.
Rock Polishing Kit
This rock tumbler kit is equipped with a direct-drive motor, ensuring smooth and quiet performance. Built with sturdy materials, it is designed for durability and extended use. It provides 1–4 adjustable speed options to accommodate various grinding requirements. The spacious barrel allows for processing a larger quantity of rocks, making it suitable for both enthusiasts and professionals.
Quiet Performance
This rock tumbler operates at a noise level of just 35 dB, comparable to the ambiance of a quiet library. It provides a quieter and more comfortable polishing experience, making it suitable for extended use without causing noise disruptions. Ideal for both home crafting and professional applications, it ensures a serene working environment.
Accurate Adjustment
This rock tumbler is equipped with a user-friendly control panel, allowing you to easily manage the operation. Customize the runtime and adjust the speed settings to fine-tune the polishing process, delivering consistent and precise results.
Enhanced Safety Features
This rock tumbler is equipped with various safety features to ensure secure operation. Its spacious barrel accommodates a larger quantity of rocks, enhancing efficiency. The sealed construction minimizes the risk of leaks, while the overload protection safeguards the device from potential damage. Additionally, the power-off memory function allows it to continue from where it stopped after a power outage, and the low-voltage design eliminates the risk of electric shock.
Smooth Finish
This rock polishing set employs a step-by-step process to transform rough stones into smooth and polished pieces. It is designed for straightforward and efficient use, eliminating the need for complicated procedures to achieve high-quality results.
Ignite Your Imagination
Perfect for both novices and seasoned hobbyists, this rock polishing machine allows you to transform raw stones into beautifully smooth gems with ease, sparking your creativity and artistic vision.

Specifications

Item Model Number: KD-C1011
Net Weight: 4.56 lbs / 2.07 kg
Product Dimensions: 6.22 x 7.68 x 6.02 in / 158 x 195 x 153 mm
Product Dimensions (Without Barrel): 6.22 x 7.68 x 2.52 in / 158 x 195 x 64 mm

Package Content

1 x Rock Tumbler Kit
1 x User Manual
1 x Bag of Mixed Rough Stones (450 g)
200 g x Round Abrasive Media
30 g x Stage 1 Silicon Carbide Grit 320#
30 g x Stage 2 Silicon Carbide Grit 600#
30 g x Stage 3 Silicon Carbide Grit 800#
30 g x Stage 4 Polishing Powder
1 x Strainer Spoon
1 x Hollow Shaker Ball
1 x Jump Ring
1 x Pendant Cord
1 x Ring Blank with Flat Pad
1 x Adapter
  • Direct-Drive Motor Design: This rock tumbler kit features a low-voltage direct-drive motor, ensuring smoother and more efficient polishing by eliminating the need for belt transmission. This design reduces wear and tear, minimizes maintenance, and avoids belt replacements. Operating at ≤35 dB, it provides a quiet and enjoyable crafting experience.
  • Consistent Polishing Performance: This rock tumbling kit includes 8 varieties of rough stones, each showcasing distinct textures and vibrant colors. Designed for both beginners and seasoned hobbyists, it enables you to turn unpolished stones into stunning gemstones, highlighting their natural luster and charm.
  • Customizable Settings: This rock tumbler is equipped with a timer adjustable from 1 to 9 days and offers 4 speed options ranging between 75 RPM and 120 RPM, catering to various polishing requirements across different materials and stages. It includes overload protection and a power-off memory function, allowing it to continue the cycle from where it stopped after a power interruption. The consistent-speed mechanism ensures even and reliable polishing outcomes.
  • Enhanced Capacity for Efficiency: This rock tumbler features a 2-pound heavy-duty barrel, allowing you to polish more stones simultaneously. Its spacious design improves efficiency, ensures consistent polishing results, and minimizes the need for frequent refills, making operation more convenient.
  • Comprehensive Set: This rock tumbler package comes with a detailed manual, a variety of rough stones, circular abrasives, microcrystalline silicon carbide, polishing compounds, a filter sieve, hollow shaker balls, single rings, pendant cords, flat ring bases, and an adapter. Equipped with all necessary accessories, it is ideal for home crafting projects or bonding activities with children, allowing you to experience the process of turning raw stones into polished gems.
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Specifications

Volume capacity

2 lb

Rock tumbler type

Rotary Rock Tumblers

Brand

KFFKFF

Material

Plastic

Warranty

Warranty information

One Year

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

3.8 out of 5 stars
stars
43 ratings10 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars60% (26)
  2. 4 stars9% (4)
  3. 3 stars5% (2)
  4. 2 stars5% (2)
  5. 1 star21% (9)
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Showing 1-3 of 10 reviews

Apr 10, 2026
Reviewer name: Walmart customer
Top Reviewer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Rock Tumbler Kit

This tumbler is great for hobbyists. Easy to use, and has 4 speeds with a timer. This tumbler has so many uses! I highly recommend this item and seller!

Helpful?6BV6WX98PAO918239859310
Apr 27, 2026
Reviewer name: manuel
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Next time I'll order the big one good machine

This is a good strong machine.

Helpful?6BV6WX98PAO918239859310
Feb 7, 2026
Reviewer name: Randy
Top Reviewer
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very well made. And writer I'm actually running it in my bedroom and is a bit of white noise

Helpful?6BV6WX98PAO918239859310
Current price is $41.99
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Sold and shipped by Home Decor Shop USPro Seller
4 out of 5 stars
4 stars out of 5, based on 6 seller reviews(4.0)
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Sold and shipped by Walmart.com
Extended holiday returns
Free Holiday returns until Jan 31