Photo 1 of Rock Tumbler Kit 2.5lbs XL Barrel Rock Tumbler for Adults Kids Rock Polisher Tumbler Kit LCD Display 9-Speed Motor 9-Day Timer 2.5lbs Rough Gemstones 4 Polishing Grits Complete STEM Science Hobby Kit

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Photo 1 of Rock Tumbler Kit 2.5lbs XL Barrel Rock Tumbler for Adults Kids Rock Polisher Tumbler Kit LCD Display 9-Speed Motor 9-Day Timer 2.5lbs Rough Gemstones 4 Polishing Grits Complete STEM Science Hobby Kit