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Uploaded by DrBernardHarris on Jul 28, 2009
Find out how to build a raft of aluminum foil and four straws. Then see how many pennies such a craft can hold. You'll be surprised about what students across America are doing with this fun experiment.
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awesome lol im goin this summer
lalagirlsrlame2 1 year ago
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awesome lol im goin this summer
lalagirlsrlame2 1 year ago