Endless motion. Timeless fascination.
Watch science in action with the Classic Drinking Bird, a mesmerizing demonstration of thermodynamics and perpetual motion. Once it starts dipping, it won’t stop—thanks to a delicate balance of evaporation, vapor pressure, and gravity. A perfect blend of curiosity and chemistry, this glass-bodied bird offers hours of scientific fun.
Features:
A hands-on demonstration of energy transfer and vapor pressure
Dips endlessly into water using the thermodynamic cycle
Made of fragile glass—handle with care
Includes a learning guide with key S.T.E.A.M. concepts
Great for desktops, classrooms, and science lovers
Recommended for ages 14 and up
Teaching points include:
Principles of energy and thermodynamics
Evaporation, condensation & vapor pressure
Balance and center of gravity
Properties of volatile liquids like methylene chloride
A classic science toy that continues to amaze and educate—perfect for curious minds and future scientists!