Premium toys quality selected for United States (USA) customers.
Blue Marble
Blue Marble National Geographic Rock Tumbler Refill Kit – 3 lb Gemstones, Grit & Jewelry Accessories
High-performance toys made for confident daily results
3 shoppers currently have this item in cart.
Low stock: only 5 left in inventory. Add to cart before it's gone.
Fast dispatch with always-free shipping and secure checkout on every order.
Free shipping
iFree shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.
Easy returns
iSimple return flow and responsive support for eligible items.
Peak-demand shipping delays
iDuring high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.
24/7 customer support
Questions before checkout? Our team is available and ready to help.
Terms quick view
100% money-back guarantee for eligible returns.
Orders include free shipping. Returns and service terms may vary by item eligibility and destination.
Why customers choose ToyTerrax Toys and Games
Overview
Transform rough stones into polished keepsakes with a kit that blends hands on learning, vibrant colors, and practical jewelry ideas. This Blue Marble National Geographic Rock Tumbler Refill Kit comes with 3 pounds of rough gemstones plus the grit, guides, and accessories you need to explore tumbling and jewelry crafting in one convenient package.
What’s included
- Gemstones of nine varieties: Tiger’s Eye, Amethyst, Aventurine, Rose Quartz, Red Jasper, Agate, Sodalite, Dalmatian Jasper, Black Jasper
- Four grit grades: Coarse, Medium, Fine, Polish
- Jewelry findings: 1 Necklace, 1 set of Earrings, 1 Keychain, 1 Ring
- Learning guide with gemstone facts and care tips
- Award-winning product line backed by Blue Marble and U S support
Grit and polishing steps
- Coarse for initial shaping
- Medium for smoothening edges
- Fine for texture refinement
- Polish for a bright, glossy finish
Who this is for
Ideal for hobbyists, families, and students who enjoy hands on discovery. The diverse gemstone mix invites exploration of color, pattern, and design ideas, while the included jewelry findings open up quick crafting possibilities after polishing.
Real life use cases
Set up a classroom activity, start a small home jewelry studio, or simply enjoy a calming, tactile project. The learning guide offers approachable gemstone context and practical care tips, helping curious makers connect rocks to real world crafts. Results will vary, but many users report satisfying transformations from rough to finished surfaces and richer colors.
Why choose Blue Marble
Blue Marble combines nature inspired materials with kid friendly learning, supported by an award winning brand and dependable U S support. This kit aims to spark imagination, support hands on learning, and provide a practical path from rough stone to wearable pieces.
Care and handling tips
- Follow the learning guide for best results and safety considerations
- Dry and store polished stones after use to maintain shine
- Keep grit packets sealed and labeled for future projects
FAQ
Q: What is included in the Blue Marble kit?
A: 3 lbs of rough gemstones, four grit grades, jewelry findings, a learning guide, and an award-winning Blue Marble package.
Q: Is this kit suitable for beginners?
A: Yes, it provides graded grit and a learning guide to support newcomers in tumbling and basic jewelry crafting.
Recently viewed products
Product quick view
Product
Added to cart