Product Details...
Duncan the Drinking Bird is a unique and mesmerizing scientific toy. Its repetitive and perpetual motion is powered by condensation and evaporation. Perfect for curious minds and a great addition to any desk or shelf, this toy is sure to fascinate and educate.
Features:
- It's a bird! It's a drinker! It's an amazing science project!
- The amazing Drinking Bird works through a fascinating thermodynamic cycle that keeps him swinging up and dipping down for more and more
- Kids will marvel at the ongoing fun.
- Styrofoam packed for safe shipping.
- No batteries required
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