The Thermodynamic Drinking Bird Age 3-4 the model reproduced by PAPO

the model reproduced by PAPO allows to admire the powerful musculature of the T-Rex

The Deluxe LED version now has an adjustable handlebar allowing the scooter to fit your child at each stage of growth

and even a spare frame rod and connector so you can keep on flying if you ever lose a part

so that's what we aim to design and give people

Measures 6 inches x 4 inches

The Thermodynamic Drinking Bird Age 3-4 the model reproduced by PAPOThermodynamic Heat Engine. 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. This is not a toy. Age 14+. Fragile Glass The drinking bird is a heat engine that exploits a temperature difference to convert heat energy to a pressure difference within the device, and performs mechanical work. Like