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 to know how to build one at home.

Taken from the point Judith lighthouse with my nikon D600

Makes me want to go pile some rocks on top of each other. They're called cairns.

The mustard yellow boulder this stack is built on was below the high tide mark when we arrived on the beach and the waves were breaking over it. But I just had to build something on it, it's colour was so impressive. In order to gather together the materials I needed I created a first stack below the cliff, a few feet away from the water, and I waited for the tide to recede enough before getting access to the mustard boulder. I didn't know the time for high tide though, and each time I…

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A couple of weeks ago, I had the great pleasure of touring Bedrock Gardens in Lee, New Hampshire, with one of its creators, Jill Nooney. Jill's an amazing sculptor and garden designer. Among the many...

Stack of rocks. South Australia.