RockGleam ™
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How It Works
How It Works
1. Add rough stones and grit to the rubber barrel 2. Press the timer button to start tumbling 3. Wait one week, then swap to the next grit stage 4. After four weeks, enjoy brilliant polished gemstones
What's Included
What's Included
Tumblokzy Rock Tumbler with Rubber Barrel 9 Types of Rough Gemstones All Four Polishing Grits (Coarse, Medium, Fine, Polish) Jewelry Making Settings (Necklaces & Bracelets) Detailed Instruction Guide Power Adapter
Shipping & Returns
Shipping & Returns
We offer free shipping for all orders. Once your item/s is dispatched,
the estimated delivery time is:
- USA: 2-7 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days
You have 90 days to return your product for a full refund.
RockGleam
Designed for Family Learning and Fun
Peaceful Operation Day or Night
The rubber barrel reduces noise by 75% compared to traditional plastic tumblers, so you can run it in the kitchen, bedroom, or living room without bothering anyone. No need to hide it in the garage or worry about neighbors complaining.
Simple Controls Kids Can Master
One-click timer operation means children can manage the entire process independently, building confidence and responsibility. The automatic shutoff removes guesswork and prevents mistakes that waste time or materials.
Complete Kit Ready to Go
Every component arrives in one box—no hunting for compatible grits, stones, or accessories online. Open it, plug it in, and start your first batch the same day without frustration or extra trips to the store.
Sturdy Construction That Holds Up
Quality ABS housing and leak-proof barrel design withstand enthusiastic young handlers and years of continuous use. Replacement parts are available so one broken component doesn't mean buying a whole new tumbler.
What our 17,000+ Customers say
Based On Real and Honest Experiences
We've run this thing in our family room for three months now and honestly forget it's even on most of the time. My 8-year-old checks it every morning before school and feels so proud switching out the grits himself.
I was tired of our old tumbler waking up the baby, so I took a chance on this one. The rubber barrel really does make a huge difference—now we can tumble overnight without any complaints from anyone in the house.
My daughter and I have made necklaces for her entire class using the stones and settings that came with it. The instructions were clear enough that she handled most of the process on her own, which was the whole point.
Frequently Asked Questions
How long does each tumbling stage take?
How long does each tumbling stage take?
Each of the four stages runs for about one week, so the complete process takes roughly four weeks from rough stones to polished gems. The timer helps you track when to move to the next grit.
Is it really quiet enough for a bedroom or living room?
Is it really quiet enough for a bedroom or living room?
Yes, the rubber barrel design cuts noise by 75% compared to plastic models. Most families run it in shared spaces without disturbing conversations, TV watching, or sleep.
Can young children operate this safely on their own?
Can young children operate this safely on their own?
Children ages 8 and up typically handle the one-button controls and grit changes with minimal supervision. Younger kids enjoy participating with adult guidance during setup and transitions.
What happens if the barrel leaks or parts break?
What happens if the barrel leaks or parts break?
The leak-proof barrel is designed to contain the grit slurry throughout tumbling. Replacement parts are available if needed, so you don't have to replace the entire unit.
Do I need to buy extra supplies after the first batch?
Do I need to buy extra supplies after the first batch?
The included grits are reusable for multiple batches. You'll eventually need more rough stones and fresh grit as you continue tumbling, but the initial kit provides everything for several projects.
How much space does this take up?
How much space does this take up?
The compact design fits easily on a kitchen counter, desk, or shelf without taking over your workspace. It's small enough to tuck away when not in use but convenient enough to leave out.
What if we get bored waiting weeks for results?
What if we get bored waiting weeks for results?
Many families run multiple batches in rotation, checking progress weekly as they swap grits. The included variety of nine gemstone types keeps interest high as kids discover what each stone becomes.
Is cleanup difficult between stages?
Is cleanup difficult between stages?
The barrel opens easily for rinsing between grit stages, and the leak-proof design keeps slurry contained during tumbling. A quick rinse in the sink is all that's needed before adding the next grit level.