Simply shake the self-contained, heavy-duty transparent plastic tube and watch as the dust settles! Because it is filled with pebbles, sand, silt and water, the particles gradually settle in layers, thus demonstrating sediment deposition in rivers, streams and lakes. Includes manual.
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Tube Sedimentator
Simply shake the self-contained, heavy-duty transparent plastic tube and watch as the dust settles! Because it is filled with pebbles, sand, silt and water, the particles gradually settle in layers, thus demonstrating sediment deposition in rivers, streams and lakes. Includes manual.
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