Review on Explore Nature's Gems: NATIONAL GEOGRAPHIC Rock Tumbler Refill Kit with Mookaite, Kabamba, and More - Includes 8 Jasper Varieties, 4 Grit Grades, Jewelry Fastenings, and Learning Guide by Erik Snyder
Time investment
We bought this for our son who is always rock collectors and thought it would make a great gift and it really is except our son is 7 and doesn't have delayed gratification so after the first acrobatic round without the desired results, he lost interest. To be honest, by the time six weeks had passed since the last drop I had lost interest and the stones eventually shot into the stationary cylinder for another week. So it's definitely an outdoor activity. Overall it works exactly as it should, it's just a bigger project than we expected.
- Absolutely amazing!
- Definitely a bad product
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