By A Mystery Man Writer
Encourage your students to look beyond the plain old rock they see everywhere with this rock tumbler. Your students will uncover the luster of rocks in 50% less time than more expensive units do. Use our heavy-duty rock tumbler to remove dirt and other undesirables from slabs of quartz, turquoise, and other rocks.
* Complete Rock Tumbler Kit – everything you need to learn a new hobby of rock tumbling, including a 1 lb rock tumbler for adults or kids, rough
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Take your rock tumbling seriously with this top-of-the-line, 1361-gram capacity professional rock tumbler from National Geographic! This kit has all
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