The Rock STEM Tumbler Kit

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Highlights

  • Rock tumbling is a hugely popular hobby for kids and adults! This professional rock tumbler makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design.
  • The durable motor has time and speed control settings so you can set it, and forget it. An improved, leak-proof barrel features a stainless-steel lid is 75% quieter overall than plastic tumbler barrels.
  • This kit has everything you need and then some! You get three pounds of rough rocks with nine different types of gemstones inside, five jewelry fastenings, grit, a strainer, and our innovative new GemFoam rock polisher.

Description

This kit has all the features and accessories you’ll need to master rock tumbling, start an extraordinary rock collection, and create beautiful jewelry.
Contents and Features:

  • Automatic shutoff timer
  • Reliable, long-lasting motor
  • Leak-proof tumbler barrel
  • Noise reduced operation (75% quieter than plastic barrels)
  • Plenty of stones (3 lb) and four levels of grit
  • 5 Jewelry Fastenings
  • GemFoam, the most innovative way to add dazzling shine to your polished stones!

This high-quality tumbler allows you to set your speed and tumbling time. When the time expires, your tumbler will automatically shut-off, allowing you to choose the perfect amount of tumble time for each grit stage.

Information

  • nProduct Dimensions 12.6 x 10.25 x 6.7 inches
  • Item Weight 10.5 pounds

Our SmartKidsPlanet initiative began in 2017 when 3 geeky and dedicated parents saw a gap in the children’s toys and games market. An opportunity was spotted while we struggled to find toys and games for our kids which enriched their minds and guided them toward science, art, math and construction. The trio then knew that their paths were set, establishing an online shop with a comprehensive range of intelligent toys for babies, children and young teenagers.

With offices based in California, our SmartKidsPlanet team enjoys a daily growth in our presence within the children’s educational toys market. We love our new place in life, and we love helping young minds with their growth and skill development, all while having as much fun as possible.

 

We ship all our products directly to you from our warehouses located in multiple locations in the West and East Coasts.

Processing Time: All orders placed after 2 PM EST will be shipped the next business day. Orders placed after 2 PM EST Friday will be shipped on Monday. 

Orders are shipped and generally arrive within 2 to 3 business days after the order is processed. Tracking information will be sent via email once your order has been processed. The tracking number may not become active for 24 - 48 hrs.

Kindly take note that due to our business utilizing multiple warehouses within the United States, orders of more than one item may arrive as separate deliveries at different times. 

Orders made to PO BOX may take up to 12 days. Additionally, we do not ship to military bases. Hawaii and Alaska

Back to Ages 8-9

Customer Reviews

Based on 12 reviews
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G
Gray Mercado
Great tumblers.

I have 4 of these tumblers, 3 of the professional tumblers (2 lb capacity), and one hobby tumbler (belongs to my Granddaughter) and I love them. I have them in a spare bedroom. Yes they make some noise, but with the door closed you can barely hear 8 tumblers.

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Georgie Burnett
Great for rockhounders

I live in Utah where my husband and I take rockhounding trips around our state and those surrounding us. We purchased the tumbler so that we could transform our raw rocks to beautiful gem stones ! On grit 2 now and even after grit 2 completely blown away. Note : there are regulations on rockhounding in each state - be sure to do your research before removing items from the wild !

H
Haider Santana
Great pro level tumbler for beginners

We took a trip to Lake Superior and gathered tons of amazing stones. When we arrived home my wife purchased this tumbler so we could polish up our rocks. Its has been amazing so far and very easy to use. It is perfect for beginners even though it is a professional level. I would recommend this product!

I
Iain Bautista
Great tumblr

This is a great stem project. It comes with everything you need. Which is rocks the Tumblr as well as the grit And even some pieces of jewelry to where you can create your own jewelry with the rocks you tumble. The national geographics refills also work with this product she can get National Geographic rocks and National Geographic gri. I highly recommend this product it is fun for kids of all ages and adults or if youre looking just to get into craft.

I
Ianis Ali
Super fun for kids and adults alike

Best toy ever. Always wanted one of these as a kid and now that my own kids are the right age, I got one. My 7 and 9 year olds were into it for a relatively long time. We got through like 3 complete 5 step cycles before they lost interest. So like ~4 months, which is an eternity in child attention spans. Even now, my husband and I are still enjoying tumbling and polishing rocks, its an outstanding toy for us even though the kids have lost interest. We still geek out on the geology aspects and enjoy finding new rocks to see how they tumble.

It is noisy, like its better set up in the garage or basement or somewhere far from living spaces. It comes with everything you need to tumble one set of rocks all the way through. If you want to do more than that you need to buy more of the grit polish which sells separately.

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