Home / Toys & Games / C5 Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher - Complete Rock Tumbling Kit with 4 Pounds Rock Tumbler Grit Kit

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C5 Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher - Complete Rock Tumbling Kit with 4 Pounds Rock Tumbler Grit Kit

-7% $ 66 .53 $71.47

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Description

KoolStone C5 Starter Rock Tumbler Kit - Durable Leak-Proof Rock Polisher - Complete Rock Tumbling Kit with 4 Pounds Rock Tumbler Grit Kit

KoolStone C5 Series – Perfect for Beginners. Designed for first-time users, the C5 combines a beginner-friendly exterior with smart controls and a colorful, intuitive interface. Step-by-step guidance ensures a smooth, successful start. Includes a full-color polishing guide with tips, stage recommendations, and fun rock facts—making rock polishing easy, educational, and enjoyable from day one.

Dual Noise-Reduction – Up to 85% Quieter Tumbling. The C5’s dual noise-reduction design—premium rubber barrel plus noise-reduction lid—cutting noise by up to 85% compared with standard plastic barrels. Smooth, soft, and quiet, perfect for shared spaces or nighttime use.

The 1st Smart Tumbler for Beginners – True smart control in a simple, one-touch design. The 3-speed, 9-day polishing program removes guesswork, guiding beginners from start to finish. Pause/Resume feature lets you stop and continue anytime—smart, simple, and stress-free.

Everything You Need to Create Polished Gemstones – Rock tumbler, rubber barrel, 0.5LB of 8 types of rough gemstones, 2 belts, 4 polishing grits, sifter, jewelry fastenings, and illustrated tutorial guide. For even longer use and better results, pair with KoolStone’s 4LB Professional Polishing Grit (sold separately).

Fun, Educational & Kid-Friendly STEM Gift – Designed with a truly kid-friendly setup, the C5 makes it easy and exciting for young explorers to turn ordinary stones into shiny treasures. A perfect birthday/Children's Day/christmas gift for kids, beginners, and young rock collectors—engaging, educational, and full of festive holiday fun for the whole family.

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G2 Dual-Barrel Professional Rock Tumbler Kit, 8LB for Adults | Brushless 8Lb (4LBx2) Rock Polisher, Heavy-Duty Metal Base, 3 Speeds, 9-Day Timer, for Big-Batch Rock Polishing

-19%

$169 .98 $209.99

100+ sold last month

Amazon

Rock Tumbler Grit Kit, 4LB Rock Polishing Grit & Ceramic Media | 4-Step 60/150/600/1200 Rock Tumbling Grit & Polish Refill, Ceramic Tumbling Media For Rock Polishers, Up To 25 Lbs of Rocks

-14%

$28 .48 $32.98

300+ sold last month

Lowest ever

Amazon

C1 Pro Ultra Brushless Rock Tumbler Kit - Double Barrel for Extra Large 7LB Capacity, with 4 Pounds Rock Tumbler Grit Kit

-26%

$171 .35 $232.97

Amazon

C1 Pro Ultra Brushless Rock Tumbler Kit - Double Barrel for Extra Large 7LB Capacity, with 10 Pounds Rock Tumbler Grit Kit

-25%

$182 .22 $242.97

Amazon

A1 Pro Brushless Rock Tumbler Kit - Double Barrel for Large 8LB Capacity, Adjustable Speed & Timer, Durable Metal Base for Adults & Rock Collectors – Includes Full Accessories

-15%

$169 .99 $199.99

100+ sold last month

Lowest ever

Amazon

1.5LB 12000 Grit Aluminum Oxide for Final Finish, Step 5 Advanced Polishing Tumbling Filler,Rock Tumbler Polish for Micron Finish

-15%

$21 .99 $25.99

Amazon

Rock Tumbler Grit and Ceramic Tumbling Media 4 Pounds, Polish Up to 25 lbs. of Rocks, 4-Step Polish Refill Media Kit, Compatible with All Rock Tumblers, Essential Polishing Kit for Adults

-14%

$28 .48 $32.98

300+ sold last month

Amazon

-13%

$12 .99 $14.95

Amazon

K2 Rock Tumbler Kit+ 4 LB Rock Tumbler Grit Kit

-8%

$125 .47 $136.46

Amazon

-5%

$27 .53 $28.98

Amazon

Rock Tumbler Grit Step 3, 600 Grit Silicon Carbide Fine Media Refill 5LB | Pre-Polishing For Rock Tumbling, Reduces Fine Surface Marks, Creates The Ideal Base For Step 4 Final Polish, Smoother Finish

-5%

$28 .48 $29.98

Lowest ever

Amazon

30000 Grit Aluminum Oxide Rock Tumbler Polish, Step 6 Ultra-Fine Polish | Advanced Refinement for Rocks, Gems, Glass & Jewelry Making, Ultra-Fine Powder, 1 LB Refill, For All Major Tumblers

-10%

$32 .38 $35.98

Amazon

-5%

$28 .48 $29.98

100+ sold last month

Amazon

Decorative River Rocks & Landscaping Pebbles for Potted Plants | Smooth Polished Pebbles for DIY Resin Art, Vase Fillers, Aquarium Gravel, and Potted Plants(Black, 5 Pounds)

-5%

$11 .82 $12.45

Lowest ever

Macy’s

Mindblown Motorized Rock Tumbler Set, Ages 8+

-50%

$19 .99 $39.99

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Shuttle Art Colored Pencils Bulk, 408 Pack Coloring Pencil Set Plus 20 Sharpeners, 12 Assorted Colors, Classroom Pack School Supplies

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$32 .99 $35.99

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-25%

$13 .38 $17.87

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-23%

$19 .99 $25.99

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-23%

$22 .99 $29.99

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