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Pressure Paradox Kit.

Pressure Paradox Kit.

Pressure Paradox Kit.

What weighs more, a large styrofoam ball or a small heavy steel ball? The light styrofoam ball -- of course... or does it? Show how the sense of touch changes how we feel pressure. Great intro into density. Contains large ball, small ball, theory.

611-2160

$17.90

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What weighs more, a large styrofoam ball or a small heavy steel ball? The light styrofoam ball -- of course... or does it? Show how the sense of touch changes how we feel pressure. Great intro into density. Contains large ball, small ball, theory.

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