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Kinetic Sand experiment

Kinetic Sand, a sand play toy made from 98% sand, and 2% Polydimethylsiloxane, a “silicon-based organic polymer…particularly known for its unusual rheological (or flow) properties.” It makes the sand act weird.

 

It hold shapes great and kids love building objects with it, but when touched it seems to become sand in motion. Kids love this stuff.

 

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