Discover with Dr. Cool Hobby Rock Tumbler Review | 2024

One of the many activities my little one enjoys indulging in is playing with gems. Whenever we go out on the beach or the park, she always brings in a ton of stones back home. Yes, not all of them are gems or valuable stones, sometimes all they bring in is a pile of dirt that ultimately goes in the bin. However, their curiosity towards stones and rocks is not something to be taken lightly. I even wanted to take it further and, thus for my little one’s last birthday, I thought of giving her a nice rock tumbler. She can use the tumbler to polish the rocks she brings home and even makes tiny little jewelry out of it. 

And so the hunt for a steady rock tumbler began. Out of the many I examined and learned about both online and offline, the one that fit the bill was the best hobby rock tumbler in my view. Before I buy Discover with Dr. Cool tumbler online, I also went through a lot of its reviews and they were widely positive. This gave me an extra bit of confidence and it was the next day that I bought the device. It has now been almost 6 months and the tumbler has been working just fine. My child has even made a display section in the garage for all the jewelry she has curated using the machine. 

I think now is a good time to help everyone else looking out for a tumbler for their kid with Discover with Dr. Cool Hobby Rock Tumbler reviews

About Discover with Dr. Cool Hobby Rock Tumbler

The tumbler is made and advised for children more than adults. From its color to the mechanism used to polish grits and stones, everything in the tumbler is simplified to a level where children don’t take much time to learn about it. Although it is always recommended that you keep an eye on your children when they use any kind of device. When it comes to this machine, once you have seen them using it properly a couple of times, you can simply let them be without any stress. The guide that comes in the packaging is also exciting and a fun learning experience for kids. Overall, the Discover with Dr. Cool hobby rock tumbler online reviews are very positive and I always feel like the rest of the reviewers. 


As any Discover with Dr. Cool rock tumbler reviews will tell you, here are some of the top features of the tumbler that makes it the desired product along with many enthusiasts. 

  • A comprehensive rock tumbling kit 
  • 2 years of warranty 
  • Highly durable body including the metal base and solid body. 
  • Highly powered motor
  • Functionalities added to the machine to reduce the overall noise produced
  • A lightweight product with just 4.6 pounds on it. 
  • Best for children between the age of 8 and 15 years


Here is a list of advantages that separates this tumbler from all the other:

  • It is a compact tumbler 
  • Very portable 
  • Easy to use for children 
  • Low noise production 
  • Solid-body 
  • Cost-effective 
  • Grits included 


There are also a couple of things about this device that you might find not satisfactory.

  •  Body not large enough 
  • The motor can’t take a lot of pressure continuously. So, you need to work with breaks. 

Included In The Package 

The Discover with Dr. Cool rock tumbler included the following items in the pack:

  • The tumbler
  • A guide
  • A filter 
  • Grits 
  • Barrel 
  • Stones 

That’s it. Now, it is your turn to get one of these and advance your child’s desire to explore. If you have already owned one of these, let us know how your experience was. On the other hand, if you are a first-time buyer, you can check out various websites including to get varied deals on this nice little product. If your child loves to play with rocks, use his tumbler to help them advance in their hobby. 

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