Blue Marble — National Geographic Hobby Rock Tumbler Kit for Kids and Adults Ages 8+
Blue Marble — National Geographic Hobby Rock Tumbler Kit for Kids and Adults Ages 8+
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Discover hands-on geology with the National Geographic Hobby Rock Tumbler Kit for Kids and Adults Ages 8+. This complete rock tumbler kit includes everything needed to polish real stones and turn them into wearable keepsakes, making it a... View details
Product details
Discover hands-on geology with the National Geographic Hobby Rock Tumbler Kit for Kids and Adults Ages 8+. This complete rock tumbler kit includes everything needed to polish real stones and turn them into wearable keepsakes, making it a fun, educational project with strong value.
Key Features
- Complete starter set with tumbler, grits, sifter, gemstones, and learning guide
- Includes 9 types of real rough gemstones from around the world
- Designed for kids and adults ages 8+
- Powerful motor built for long-term use
- Automatic shutoff timer for easier operation
- Noise-reducing, leak-proof barrel with stainless steel lid
- Jewelry fastenings included for making custom wearables
- Great for science-minded gifting and at-home learning
Premium hands-on learning at a better-than-retail price.
Limited quantities available.
Shipping & delivery In stock and ready to order
- SKU LFY-61BF9DB1-01
- Condition New
- Processing 1–2 business days
- Delivery U.S. delivery · Rates and delivery estimates shown at checkout
- Profile Heavy & Bulky
- Shipping Carrier-calculated services and charges are shown at checkout.
- Returns Return eligibility depends on the product. Please review our return policy before ordering.
Frequently asked questions
What age is this rock tumbler kit for?
It is designed for kids and adults ages 8+.
What comes in the kit?
The kit includes the tumbler, four polishing grits, a sifter, nine types of real rough gemstones, a full-color learning guide, and jewelry fastenings.
Can the polished stones be used for jewelry?
Yes, the included jewelry fastenings let you turn finished stones into homemade jewelry pieces.
Does the tumbler have an automatic shutoff?
Yes, the tumbler includes an automatic shutoff timer for convenient use.
Is the barrel designed to help reduce noise and leaks?
Yes, it features a noise-reducing, leak-proof barrel with a stainless steel lid.
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