National Geographic Platinum Series Ultra Quiet Rock Polisher Kit - Patent-Pending for Kids & Adults, 2 lb. Barrel, Rocks, Grit, GemFoam, Rock Tumblers

Lefree store Rock Tumbler Kit for Adults Kids, Professional Rock Polisher with 3LB Leak Proof Rubber Barrel, Includes 1 LB Rough Rocks,4 Rock Tumbler Grits etc,STEM Christmas for Kids

BRYTE Rock Tumbler & Tumbling Machine - Medium Mint Green, 3-Speed, Ages 8+ - Direct-Drive, 9-Day Timer & Cooling Quiet Motor - Indoor Quiet Polisher & Sea Glass Kit - Rock Tumblers for Adults & Kids

Smithsonian Rock Tumbler STEM Kit Includes Charm Accessories for Charm Bracelets, Rings & Key Chains

KomeStone K1 Pro Professional Cutting-Edge Brushless Motor Advanced Rock Tumbler Polisher Kit, Extra Large 2.5Lb Barrel with 3-Speed Motor 9-Day Timer, Belts, Rough Gemstones, 4 Polishing Grits etc.

Blue Marble National Geographic Hobby Rock Tumbler Kit - Rock Polisher for Kids & Adults, Noise-Reduced Barrel, Grit, 2.5 Pounds Raw Gemstone & Jasper Mix, Great STEM Hobby Kit

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 Kids

GITSENSE Professional Rock Tumbler Kit, Large 2.5Lb Barrel Rocks Tumbler Kit, Stem Science Gift for Kids and Adults, 9-Day Timer&3-Speed Motor, Include Rocks, Grits and DIY Tools

Azefun Rock Tumbler Kit, Enjoy 7-Days Polishing for DIY Stones, Hobby Eddition Rock Polisher Tumbler Kit with Rough Gemstones and 4 Polishing Grits,STEM Science Kit for Kids and Geology Enthusiasts

Discovery™ Rock Tumbler Deluxe Set – Stone Polishing Kit with Rocks, 4 Grits, Gem Case| STEM Science Project Kit for Kids & Beginners| Cool Toy for Boys & Girls Ages 8+