I had never heard of rock tumblers before. Very cool! I have a 10-year-old nephew who is very interested in rock collecting and who was fascinated to learn about them. (I checked with his parents first, of course, because as I understand it they are pretty noisy.) Sounds like he's getting one for his next birthday!
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I had never heard of rock tumblers before. Very cool! I have a 10-year-old nephew who is very interested in rock collecting and who was fascinated to learn about them. (I checked with his parents first, of course, because as I understand it they are pretty noisy.) Sounds like he's getting one for his next birthday!