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.
Find many great new & used options and get the best deals for NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit Rock Polisher for Kids BRAND NEW at the
NATIONAL GEOGRAPHIC Starter Rock Tumbler Kit Rock Polisher for Kids BRAND NEW
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