Building rock tumblers is a project that can help children understand the geological process of the tumbling and smoothing of rocks in water bodies. A homemade rock tumbler is also a creative way of making polished rocks and stones for adornments. Read on
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A Dremel is a type of rotary tool that has many applications around the home and in the workshop. It will accept a wide number of bits and attachments for cutting, sanding, routing, buffing and polishing. You can buff and polish stones by hand-using a Dremel tool. In order to buff stones you will need to sand them with several different sandpaper...