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Drinking Bird The Famous (2 Pack)
Great for science lesson on evaporation and condensation
The Original Drinking Bird has been a scientific novelty favorite for decades. Our little bird bobs his red beak into a glass of water again and again. When the funnt bird is in motion, he appears to be in a perpetual motion machine, but it is actually an example of evaporation heat engine in our physics lession
Features: Science Toy - Closed Glass with Blue Magic Solution - Glass of Water and Cup Not Included For Ages 8 and Up (Fun for all ages!) Size: 7" Tall