Drinking Bird Thermodynamic Science Demo Desk Decor

WOW! Thermodynamics & Pressure Differentials!

Enjoy This classic physics demonstration in a handy duck shape. This thirsty bird perpetually bobs as long as it has a glass of water to dunk in—instructions on the box.

Copernicus Toys Drinking Bird Thermodynamic Science Demo Desk Decor Details

• A personal heat engine in a handy duck-shape
• 2×7″inches.
• This is not a toy
• For ages 14+