Search  for anything...

NATIONAL GEOGRAPHIC Rock Refill – Mega Madagascar Pack, 3 lb of Gemstones Including Rose Quartz, Jasper, Labradorite, & More, Tumbler Grit & Jewelry Settings

  • Based on 2,327 reviews
Condition: New
Checking for the best price...
$31.99 Why this price?
Save $61.31 was $93.30

Buy Now, Pay Later


As low as $7 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon

Arrives Thursday, Aug 13
Order within 15 hours and 44 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Style: Madagascar Mix


Features

  • REAL GEMSTONES FROM MADAGASCAR - 3 pounds of raw rocks includes rose quartz, labradorite, red jasper, yellow jasper, indigo gabbro, and polychrome jasper, quantities of each gemstone may vary
  • FOUR GRADES OF GRIT - Coarse, Medium, Fine, Polish. Transform your raw stones from rough rocks to dazzling gemstones, this refill kit also works with all rock tumblers
  • JEWELRY FASTENINGS - Additional rock tumbler accessories include 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring to create custom jewelry from your newly polished gemstones
  • LEARNING GUIDE - Our learning guide will teach you all about these unique gemstone specimens and includes many amazing and fascinating facts
  • HIGH-QUALITY EDUCATIONAL TOYS - We're proud to make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience is less than stellar, let us know and we'll make things right!

Brand Name: Blue Marble


Age Range Description: 8 years and up


Sub Brand: National Geographic


Manufacturer Warranty Description: National Geographic Toys is proud to provide a 100% satisfaction with all our products so that you can buy with confidence.


Manufacturer Maximum Age (MONTHS): 1188.0


Manufacturer Minimum Age (MONTHS): 96.00


Global Trade Identification Number: 61


Set Name: Mega Madagascar Pack


Manufacturer: JMW Sales, Inc.


UPC: 816448027161


Manufacturer Part Number: NGMADREFILLMEGA


Model Number: NGMADREFILLMEGA


Included Components: 1 Full-color Learning Guide with Instructions, 12 Polishing Grit Packets, 3 Pounds Rough Rocks, 5 Jewelry Settings


Item Type Name: Including Rose Quartz, Jasper, Labradorite, and More, Tumbler Grit and Jewelry Settings


Number of Players: 1


Educational Objective: Geology, Learning and Education, Rock Tumbling Experience


Power Source: Hand-powered


Supported Battery Types: No batteries required


Operation Mode: Manual


Indoor Outdoor Usage: Indoor


Is Assembly Required: No


Theme: Fantasy


Color: Multicolor


Subject Character: Jewelry Making


Size: Medium


Item Dimensions: 6 x 5.5 x 7 inches


Material Type: Rough Rocks


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Aug 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great rocks to turn into gems
Style: Madagascar Mix
Perfect for rock collectors and gem Collectors alike you get a ton of rocks that you tumble into gems the quality is amazing easy to tumble
Reviewed in the United States on January 12, 2026 by Kendra Bishop

  • Gift for great grandson’s birthday.
Style: Madagascar Mix
Bought this for great grandson’s birthday at his request. He was very pleased.
Reviewed in the United States on March 11, 2026 by Amazon shopper

  • ok
Style: Madagascar Mix
good
Reviewed in the United States on January 21, 2026 by Vasily Knyazev

  • Super cool, just loud
Style: Gemstone Mix
Its a really cool my son loves it. The only down fall is its really loud.
Reviewed in the United States on October 31, 2025 by Cheyeene Brown

  • Refills
Style: Gemstone Mix
Nice refill packs
Reviewed in the United States on December 30, 2025 by Mark S.

  • Great
Style: Madagascar Mix
Great
Reviewed in the United States on December 25, 2025 by Robert Roth

  • best gift
Style: Gemstone Mix
best gift for my kids and my husband
Reviewed in the United States on August 9, 2025 by Anna O

  • Great for Polishing Rocks!
Style: Gemstone Mix
Grandson is enjoying working with his rock tumbler and his extended Rick collection! Polished rocks very nicely and gets good results. Takes time but does a nice job!
Reviewed in the United States on July 20, 2025 by Rick

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...