NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Includes Rough Gemstones, 4-Stage Silicon Carbide Polishing Grit, Jewellery Fastenings & Learning Guide - STEM Science Kit for Geology Enthusiasts
Blue Marble
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9,9
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2
Professional Rock Tumbler Machine, Rocks Polishing Machine Kit with Noise Reduction Cover for Kids, Adults & Rock Collector, 3-Speed Motor & 9-Day Timer, Geology Hobby Toy Gift (2026 Upgrade)
Jofuni
17% off
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9,8
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3
StemRock Upgraded Rock Tumbler Kit, Complete Rock Polisher Machine, Durable 1 Lb Barrel Great STEM Science Gift Adult, 9-Day Timer & 3-Speed Motor, Include Rocks, Grits and DIY Tools, GS03-N-B02
StemRock
14% off
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9,7
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Polly Plastics Rock Tumbler Tumbling Media Grit Kit & Plastic Filler in Heavy Duty Resealable Bags
Polly Plastics
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9,6
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National Geographic Rock Tumbler Machine - Amazing Gemstone Polishing Machine with Authentic Grit, Stones and Crystals | STEM Educational Rock Polisher Hobby Kit Gifts for 8+ Year Old Boys and Girls
National Geographic
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9,6
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Acmeenjoy Rock Tumbler Kit Barrel Stone Polishing Machine with 9-Speed Motor & 9-Day Timer, Rock Polisher Machine for Kids & Adults, Includes Gemstones, Grits and DIY Tools
Acmeenjoy
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9,6
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7
Professional Rock Tumbler Kit – 4LB Large Capacity Barrel with Brushless Motor & Heavy Metal Base, Adjustable Speed & 9-Day Timer, Includes All Accessories, Rock Polisher for Adults & Collectors
KomeStone
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9,6
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8
C1 Pro Brushless Rock Tumbler Kit - Professional Large 2.5LB Capacity, Up to 3X More Durable, Ultra Long Working Life Rotary Polisher with Full Accessories & Memory Function, Ideal for Adults
KoolStone
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9,6
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9
Rock Tumbler Kit with Timer, Polishing Set for DIY Gemstones, Educational Science Toy for Craft Hobby
Generic
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9,4
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10
MJR Tumblers Single Barrel Rock Tumbler - Rock Polisher Machine, Tumbling Equipment for Stone, Glass, and Metal Collection, Polishing Tool for Adults & Kids, 40 lb
MJR Tumblers
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9,4
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Wsexyy Vibratory Tumbler Polisher, Rock Tumbler Kit, 17Inch Vibratory Rock Tumbler Bowl, Low Noise, Polishing Machine Kit for Professionals & Hobbyists
Perfect performance: High-efficiency motor with better drum effect and higher strength, which has a rolling effect similar to that of a spiral back and can be used for grinding, cutting and polishing workpieces. In the finishing process, the shape of the workpiece is not damaged
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VIYUKI Professional Rock Tumbler Kit Includes Rough Gemstones, 4 Polishing Grits, Jewelry Fastenings,Operating Instruction, Great Stem Science Kit
Create Your Gemstones: Best rock tumblers 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 shiny, polished gemstones, thanks to its simple operation and durable design.
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A1 Professional Rock Tumbler Kit, 4LB Extra-Large Barrel with Cutting-Edge Brushless Motor, Adjustable Speed & Timer, Durable Metal Base for Adults & Rock Collectors – Includes Full Accessories
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AliKids 3.6LB Professional Rock Tumbler Kit with 8 Belts, 3 Speed Settings & Digital 9-Day Timer, Rough Gemstones, 4 Polishing Grits
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Jewelry Vibration Polishing Machine, 130W Electric Rock Tumbler Vibratory Bowl, Vibrating Tumbler Vibratory Rock Tumbler Polishing Machine, For Grinding Workpiece Surfaces, Jewellery Accessories
High-frequency vibration: This jewelry vibration polishing machine utilizes high-frequency vibrations to closely mix workpieces with abrasive materials, allowing for effective burr and stain removal. This results in achieving a smooth and flawless finish on various surfaces
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Professional Rock Tumbler Kit with 22 Pieces, Including Clay & Gemstones
Transform rough rocks into polished gemstones.|Includes air-dry clay to create and decorate with polished stones.|Rubberized barrel for quieter operation during tumbling.|Comes with all the necessary tools and ingredients for crafting.|The included necklace straps allow you to wear your creations.|Ages 8+
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Professional Rock Tumbler Machine, Rocks Polishing Machine Kit with Noise Reduction Cover for Kids, Adults & Rock Collector, 3-Speed Motor & 9-Day Timer, Geology Hobby Toy Gift (Orange 2026 Upgrade)
Jofuni
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NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit - Includes Rough Gemstones, 4-Stage Silicon Carbide Polishing Grit, Jewellery Fastenings & Learning Guide - STEM Science Kit for Geology Enthusiasts
