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Deluxe Density Cube Set


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Includes all the cubes in the Density Cube Set (#752475) plus one cube of lignum vitae (ironwood) and one of polypropylene.

The lignum vitae cube is the only wood cube in the set that sinks in water and the polypropylene cube is the only plastic cube that floats. Students see that not all woods float and not all plastics sink. Instructions included.


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