All our tumblers include a 1-2 year warranty. For warranty assistance please contact us using the contact information found on the bottom of the package or in the instruction guide.

Why is it saying undeliverable to any of my US addresses?

I experienced the same; it would not ship to my po box. I had it shipped to my daughter's house; it seem to like her address.

What are the inside measurements of the 3lb barrel?

Our 3 lb barrel is approximately 3.25" x 5.5"

How much does the barrel weigh?

Our 3 pound barrel with lid weighs 2 pounds.

National Geographic 3 Lb Rock Tumbler Kit For Kids Adult

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

904.77 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Description

💎 Turn Rough Rocks into Polished Perfection—Your Next Conversation Starter Awaits!

AWARD WINNING STEM FUN - Backed by the Toy Association’s Toy of the Year winner, this kit sharpens critical thinking and hand-eye coordination for ages 8+.
ALL IN ONE GEMSTONE KIT - Comes with 3 lbs. of rough rocks, 4 polishing grits, 5 jewelry fastenings, and a strainer—everything you need to create wearable art.
ULTIMATE POLISHING POWER - Includes reusable GemFoam polisher for a dazzling, museum-quality shine that will make your collection stand out.
WHISPER QUIET DURABILITY - Stainless steel lid and leak-proof barrel reduce noise by 75%, so your creative flow stays uninterrupted.
EFFORTLESS PRECISION CONTROL - Customize your tumbling with a durable 3-speed motor and 9-day timer—set it and forget it while your gems transform.

The National Geographic 3 Lb. Rock Tumbler Kit is a professional-grade, beginner-friendly tool designed to transform rough stones into polished gemstones. Featuring a 3-speed motor, 9-day timer, and a leak-proof stainless steel barrel, it offers quiet, durable operation. The kit includes 3 lbs. of assorted raw rocks, multiple polishing grits, jewelry fastenings, and the innovative reusable GemFoam polisher for a brilliant finish. Perfect for STEM learning and creative exploration, it’s an award-winning product that blends education with hands-on fun for ages 8 and up.

Specifications

ASIN	B08DL95CWL
Age Range Description	8 years and up
Best Sellers Rank	#21,131 in Toys & Games ( See Top 100 in Toys & Games ) #7 in Kids' Rock Tumblers
Brand Name	Blue Marble
Customer Reviews	4.5 out of 5 stars 5,095 Reviews
Educational Objective	STEM, Concept Development Skills, Hand-Eye Coordination, Critical Thinking, Reasoning Exploratory Skills
Included Components	Complete Rock Tumbler Kit, 3lb Assorted Rough Gems, 4 Stages of Polishing Grit,5 Jewelry Settings,GemFoam
Item Dimensions	12.76 x 10.31 x 6.69 inches
Item Highlight	3 Lb. Capacity Barrel, 3-Speed Motor, 9-Day Timer, Rough Rocks and Polishing Grit, Rock Polisher, Geology Hobby
Item Type Name	Rock Tumbler Kit - 3 Lb. Extra Large Capacity Barrel
Item Weight	3.7 kg
Manufacturer	JMW Sales, Inc.
Manufacturer Part Number	NGTUMBLER3LB
Manufacturer recommended age	8 years and up
Material Type	Plastic, Stainless Steel
Model Number	NGTUMBLER3LB
Number of Items	1
Number of Packs	1
Set Name	Set
Size	One Size
Sub Brand	National Geographic
Theme	Geology
UPC	816448028694
Unit Count	1 Count

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

904.77 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

View all Trustpilot reviews

National Geographic 3 Lb. Rock Tumbler Kit for Kids and Adult Beginners

Description

Specifications

Common Questions