Description
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.
2x7"inches.
This is not a toy ages 14+.
We recommend for a wide range of retail settings including:
science museum store
gift store
stationery store
paper & novelty store