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: 2-9 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
Engineered to Fix What Breaks Other Tumblers
Quiet Enough for Any Room
Solid rubber absorbs the clatter that makes plastic tumblers unbearable, so it runs quietly in shared living spaces day or night.
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
Nine rough gemstones, all four grits, jewelry settings, and instructions arrive together, so day one starts without an extra shopping trip.
Sealed Motor Built for Years of Batches
The sealed housing and leak-proof barrel are built to outlast the motor failures and cracked seams common in toy-grade tumblers.
What our 17,000+ Customers say
Based On Real and Honest Experiences
RockGleam has run in our family room for three months and I honestly forget it is on most days. My son checks the grit himself every morning and feels so proud doing it solo.
Our last tumbler woke the baby every night, so RockGleam was a gamble that paid off. The rubber barrel really is that much quieter, we tumble overnight with zero complaints now.
My daughter and I used the RockGleam stones and settings to make necklaces for her whole class. The instructions were clear enough that she ran most of it herself, which was the whole point.
Frequently Asked Questions
How long does each tumbling stage take?
How long does each tumbling stage take?
Most batches finish in 4 to 6 weeks across four grit stages run about a week apart. Rougher or harder stones can push toward 8 weeks before they reach a full shine.
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.
Can I tumble sea glass in it too?
Can I tumble sea glass in it too?
Yes, sea glass tumbles well alongside the included rough stones, just sort by hardness and run it through the same four grit stages for a smooth, frosted-to-glossy finish.
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.
Will pouring grit down the sink clog my drain?
Will pouring grit down the sink clog my drain?
Grit rinses off in a strainer or filter, never straight down the drain, so it will not clog plumbing. The included guide walks through safe disposal after every stage.