Drinking Bird | Classic Science Demo Desk Decor

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