NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults partition_00000031 rather than the entire LCD

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NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults partition_00000031 rather than the entire LCDLearn about the exciting hobby of rock tumbling with National Geographic! Rock tumbling is tons of fun and a great way to start a beautiful rock collection. This set includes all the accessories youll need to start polishing dazzling gems. Kids can use the included jewelry fastening to create beautiful homemade jewelry! Contents and Features: High quality tumbling machine with powerful motor that will last for years Automatic shutoff timer so you can