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Buoyant Rock - Compact Curiosities


Age Group: 4 - 5 Years
Buoyant Rock - Compact Curiosities
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Very small rocks DO float! At least the Buoyant Rock from Copernicus does. This volcanic pumice stone has so many air pockets it's actually less dense than water, so it floats. The first time I saw pumice, I thought it was fake! Actually, it's a natural foam made by molten rock ejected from a volcano. This kit includes a fact card. Warning - rocks are small and can pose a choking hazard. Keep out of reach of those under 3.

This product was added to our catalog on Thursday 29 August, 2013.
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Currently viewing:  Buoyant Rock - Compact Curiosities - Math + Science - Copernicus - Kidstructive Fun Toy Store | Plattsburgh New York | Burlington Vermont
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