Thermodynamic Drinking Bird
Thermodynamic Drinking Bird

Thermodynamic Drinking Bird

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$9.99
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  • Details

    • WOW! Thermodynamics & Pressure Differentials! Enjoy This classic physics demonstration in a handy duck shape. This thirsty bird perpetually bobs long as it has a glass of water to dunk in. Instructions on box. 2x7"inches. Ages 14+

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