SKU: 96568689288

Blue Marble National Geographic Rock Tumbler Kit - Extra Large 2 lb Barrel, 3-Speed Motor, 9-Day Timer, Black, Model NGPROTUM5

Sale price$86.36 Regular price$95.95
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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22

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Description

Blue Marble National Geographic Rock Tumbler Kit - Extra Large 2 lb Barrel, 3-Speed Motor, 9-Day Timer, Black, Model NGPROTUM5The Blue Marble Rock Tumbler Kit is a professional grade tool designed for rock enthusiasts and hobbyists. Ideal for polishing and transforming rough stones into beautiful gems, this tumbler provides an engaging hands on experience for users of all ages. This tumbler features a rugged, durable design with a leak proof barrel that has a large 2 lb. capacity. The updated roller system ensures the barrel remains centered during operation, while a layer

The Blue Marble Rock Tumbler Kit is a professional-grade tool designed for rock enthusiasts and hobbyists. Ideal for polishing and transforming rough stones into beautiful gems, this tumbler provides an engaging hands-on experience for users of all ages.

This tumbler features a rugged, durable design with a leak-proof barrel that has a large 2-lb. capacity. The updated roller system ensures the barrel remains centered during operation, while a layer of tire rubber reduces noise by 75%, making it quieter than most plastic barrels. The included all-in-one tumbling kit comes with everything you need to get started, including various types of rough rocks, jewelry fastenings, tumbler grit, and a large strainer. The standout feature of this kit is the patented GemFoam rock polisher, which produces an exceptional shine for your gems.

Key Features:
  • Rugged Design: The improved leak-proof barrel boasts a 2-lb. capacity, ensuring durability during use.
  • Quieter Operation: Enhanced with tire rubber, this tumbler operates 75% quieter than traditional plastic models.
  • All-in-One Kit: Includes 1 lb. of rough rocks, 5 jewelry fastenings, tumbler grit, and a large strainer for immediate use.
  • Pro-Grade Performance: Features a heavy-duty, 3-speed motor and a programmable timer for consistent results.
  • LED User Interface: The updated interface allows for easy adjustment of settings for precise tumbling.
  • GemFoam Rock Polisher: Unique to this kit, GemFoam enhances the polishing process, delivering dazzling results.
  • Quality Educational Toy: Promotes hands-on learning and creativity, backed by exceptional customer service.

The Blue Marble Rock Tumbler Kit is perfect for beginners and seasoned rock collectors alike. Its durable design and comprehensive features make it an excellent choice for anyone looking to explore the art of rock tumbling. Enjoy the satisfaction of creating stunning, polished gems while learning about geology and craftsmanship with this high-quality educational tool.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 96568689288

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4.6 ★★★★★
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Alec
Chelsea, US
★★★★★ 4
Solid Everyday Shirt
Color: 312 Red, Size: X-Large
Pretty happy with this one. Fits true to size and looks good on. The cotton is soft and comfortable, feels decent for the price. Stripes look nice and haven't faded after a few washes so far. Not the thickest material out there but it works fine for casual wear. Good shirt to throw on when you want to look put together without trying too hard. Would consider buying in another color.
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Reviewed in the United States on December 6, 2025
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Jobax
Belleville, US
★★★★★ 5
Perfectly fitted shorts with great stretch and comfort for the price
Color: 311 White, Size: Large, Color: 311 White, Size: Large
These shorts quickly became a favorite. The fit is spot on — snug in the right places without being restrictive, which gives them a really flattering look. The material feels high quality for the price, and there’s enough stretch built in to make them extremely comfortable for everyday wear. What stands out most is the value. For the cost, the combination of fit, comfort, and durability is hard to beat. They move easily with you, whether you’re lounging, walking, or being active, and they don’t lose their shape after wear. Overall, these shorts hit the sweet spot between style, comfort, and affordability. If you want something that looks fitted, feels good, and won’t break the bank, this is an excellent choice.
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Reviewed in the United States on August 17, 2025
D
Verified Purchase
D. Shardlow
Lexington, US
★★★★★ 5
Very nice shirt, runs a little big depending on how you like it to fit
Color: 311 Black, Size: Medium
We got it specifically for the black and white stripes. My husband typically wears a medium. We buy the WYR shirts for him since they have a tapered, flattering fit. I initially ordered the medium but it was too big and baggy especially in the waist. We ended up getting the small and it fits perfect. I really like the hand of the fabric.
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Reviewed in the United States on March 26, 2025
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JLee
New York, US
★★★★★ 5
Seems great so far - 3 washes and nothing but good things to say
Color: 311 White, Size: Large
Shirt looks great colors wise and it's lasted perfectly so far in limited washing (cold water + dryer). There's a bit of stretch above and beyond what cotton normally does (from the nylon or lycra I believe) but you can't tell unless you're putting the shirt on. As for fit - fits me perfectly. I tend to be more of a large in the shoulders and a medium at the waist, but this shirt is great for me. Def more of a fitted look but NOT jersey shore douchey type fitted. EDIT - +1 year and shirt is still going strong. No rips tears, etc. I've washed cold and warm, tumble dry medium
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Reviewed in the United States on July 24, 2023
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Tori Kalman
Pawtucket, US
★★★★★ 5
Comfortable, and surprisingly good quality
Color: 31260 Green, Size: Large
Super comfortable and stretchy, worked great for my chicken little costume. I’ve washed it about 5 or 6 times now and it hasn’t shrunk or gotten pilly or anything.
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Reviewed in the United States on February 23, 2026

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