Best Mjr Tumblers Kids Rock Tumblers in 2026
Daisy
Last Updated: Jul 20, 2026
Daisy
Last Updated: Jul 20, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hidden Treasure Shop | 9.90 | ✅ | ✅ | ✅ |
TWO LBS. Clear poly pellets. Use to fill tumbler to improve tumbling action.
PREMIUM High Impact Polypropylene. Stands up to rough tumbling action. Protect and cushion fragile stones and reduce tumbling noise.
Non-toxic, non-static and non-residue pellets are dryable and easy to reuse – float to the top for easy cleaning.
Made in the USA. No scrap, imported or re-processed, used plastic.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hidden Treasure Shop | 9.90 | ✅ | ✅ | ✅ |
COMPLETE KIT - 4 Step grit pack and plastic filler for use in 15 lb. tumbler or five 3 lb. tumbles.
CONTAINS - 1 lb. 60/90 Coarse Silicon Carbide Grit, 1 lb. 180/220 Medium Silicon Carbide, Grit, ½ lb. 500 Fine Silicon Carbide, ½ lb. 1200 Aluminum Oxide Polish and 1 lb. of premium high-impact polypropylene plastic filler pellets. Protect and cushion fragile stones and reduce tumbling noise.
GRIT SOLD BY WEIGHT NEEDED FOR EACH STEP – Steps 1 & 2 are 1 lb. each and Steps 3 & 4 are ½ lb. each but all are sold in the same size jars for packaging consistency. The different weights, along with different densities, will mean that jars will not have equal amounts of fullness.
PREMIUM POLISHING MATERIALS, COMPATIBLE WITH ALL BRAND TUMBLERS - Proven to produce a beautiful polish. Made in the USA.
BEGINNER FRIENDLY - Complete, easy-to-follow instructions included. 100% satisfaction guarantee on all our products.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hidden Treasure Shop | 9.91 | ✅ | ✅ | ✅ |
⭐ Non-Abrasive Large Tumbling Media. 3/8” dia. X 5/8” long, angle cut cylinders.
⭐ Perfect for protecting stones or filling while rock tumbling. Cushions, quiets and improves tumbling action. Works with all tumbler types.
⭐ No need to keep separate for each stage – rinse and use the same batch through all the tumbling stages. Non-toxic, non-static and non-residue pellets are dryable and easy to reuse.
⭐ Compatible with any brand tumbler or grit
⭐ PREMIUM non-abrasive ceramic
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hidden Treasure Shop | 9.90 | ✅ | ✅ | ✅ |
⭐ Non-Abrasive, Ceramic Large Tumbling Media. 3/8” dia. X 5/8” long, angle cut cylinders.
⭐ Perfect for protecting stones or filling while rock tumbling. Cushions, quiets and improves tumbling action. Works with all tumbler types.
⭐ No need to keep separate for each stage – rinse and use the same batch through all the tumbling stages. Non-toxic, non-static and non-residue pellets are dryable and easy to reuse.
⭐ Compatible with any brand tumbler or grit
⭐ PREMIUM non-abrasive ceramic
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hidden Treasure Shop | 9.91 | ✅ | ✅ | ✅ |
STAGE 4 OF 4 STEP ROCK TUMBLING MEDIA GRIT – Two 1.5 lb. jars of Stage 4 media grit for transforming rocks and gemstones into beautiful treasures. Contains a total of 3 lbs. Final Polish 1200 Fine Aluminum Grit.
COMPATIBLE WITH ALL TUMBLERS - Our universal grit is designed for any rock tumbler. Elenco, Lortone, National Geographic, Smithsonian, Thumler and more!
SUPERIOR PACKAGING - Packaged in durable, re-usable jars to prevent messy spills and to safely store unused product for later.
MADE IN THE USA – Polly Plastics is an American company with American sourced materials for superior quality control and reduced risk of contaminants.
BEGINNER FRIENDLY - 100% satisfaction guarantee on all our products.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hidden Treasure Shop | 9.91 | ✅ | ✅ | ✅ |
PUT A DAZZLING POLISH ON YOUR ROCKS: Experience the exceptional quality of the Polly Plastics Rock Tumbler Starter Kit. With years of unmatched expertise in the industry, we bring you a kit that guarantees dazzling, professional-grade polished rocks. Unleash your creativity and achieve stunning results with our trusted brand.
COMPLETE PACKAGE FOR OPTIMAL RESULTS: Our rock tumbler starter kit is a testament to our commitment to providing the best. It includes the robust rock tumbler, four high-quality rock tumbler grits for superior performance, rough gemstones for tumbling, a gemstone jewelry kit, and spare belts. Every component is carefully curated to ensure outstanding results.
EASY TO GET STARTED: Begin your rock tumbling journey effortlessly with our user-friendly kit. We provide clear instructions that simplify the process. The rock tumbler features three convenient time settings, making it easy to achieve desired polishing results. Enjoy a seamless experience backed by years of Polly Plastics expertise.
BRAND NEW FROM POLLY PLASTICS: With a reputation built over years of excellence, Polly Plastics is proud to present our latest offering. Our rock tumbler is built to last, ensuring durability and efficiency. Countless customers have relied on our unmatched quality and now it's your turn to experience the Polly Plastics difference.
UNLEASH YOUR CREATIVITY: Discover the depth of our expertise and unleash your creative potential. The Polly Plastics rock tumbler starter kit is not just a polishing tool; it's an invitation to explore the captivating world of geology and STEM. Perfect for hobbyists, jewelry makers, and aspiring geologists, our kit opens doors to endless possibilities.
ROCK TUMBLER: 110 V, Single drum, 1 lb. capacity, leak-proof rubber barrel for quiet operation. Day timer buttons allow you to set the desired number of tumbling days.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hidden Treasure Shop | 9.91 | ✅ | ✅ | ✅ |
STAGE 2 OF 4 STEP ROCK TUMBLING MEDIA GRIT – Two 1 lb. jars of Stage 2 media grit for transforming rocks and gemstones into beautiful treasures. Contains a total of 2 lb. Medium 180/220 Silicon Carbide Grit.
COMPATIBLE WITH ALL TUMBLERS - Our universal grit is designed for any rock tumbler. Elenco, Lortone, National Geographic, Smithsonian, Thumler and more!
SUPERIOR PACKAGING - Packaged in durable, re-usable jars to prevent messy spills and to safely store unused product for later.
MADE IN THE USA – Polly Plastics is an American company with American sourced materials for superior quality control and reduced risk of contaminants.
BEGINNER FRIENDLY - 100% satisfaction guarantee on all our products.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Polly Plastics | 7 |
We've carried out a comprehensive analysis of 3,915 reviews on kids rock tumblers, using our selection criteria to identify the best options in the learning & education toys. Our findings reveal that most customers typically select kids rock tumblers priced around $32.81, with top brands including national geographic, dan&darci, science can, stonecho, koolstone, komestone, lefree store, earth'scode and winhand and hersance
Our team of expert editors reviewed these high-quality items and handpicked the top 7 kids rock tumblers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the learning & education toys category. These include amazon.com, surreal brands, suntopdirect, auxco direct, koolstone--2 years replacement warranty, komestone direct-2 years warranty, oriental crane, earth'scode and winhand toys and hersance .
We are dedicated to assisting our users in finding the right tumblers Products based on their needs, saving them considerable time when choosing which kids rock tumblers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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