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DRINKING BIRD
DRINKING BIRD
Almost everyone remembers this hard-to-find toy with at least a twinge of nostalgia - now he's back, disguised as a great physics demonstration of heat and thermodynamics. This lugubrious little lorikeet dips his beak into a glass of water as evaporative cooling induces the rise of a volatile liquid from his tail toward his head. As he dunks, the liquid returns to his tail, the bird rises, and the process begins again. Not recommended for instructors under four years of age.

The drinking bird was invented by Miles V. Sullivan and co-developed by George H. Shackley in 1945 and patented in 1946.
 
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Price: $14.95

 
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