Drinking Bird Perpetual Motion (2 Pack) The Original Vintage Retro Magic Sippy Dipping Bird A Science Wonder Wholesale Bulk Set of 2. This incredible scientific toy is a childhood favorite. Call it a game, Science experiment, educational, an office desk toy, call it what you like. This novelty is great for all ages. A great physics thermodynamic gadget and perpetual motion desk, school or office toy. Just dip the birds head into a glass of water and soak his head. Adjust the middle metal piece to sit just below the center of his body. Place a glass of water in front of him so when he dips down he will be able to wet his beak and head. The Thermodynamics should kick into action. It is really cool to see the Happy Bird in motion rocking, bobbing and dipping up and back to get his fill of drink. To operate the Dippy Bird, you get its head wet. As the water evaporates, fluid moves up into the head, causing the bird to become top-heavy and dip forward. Once the bird dips forward, fluid moves back into the abdomen, causing the bird to become bottom-heavy and tip up. Here is how a Dippy Bird works: When water evaporates from the fuzz on the Dippy Bird's head, the head is cooled. The tempe... [Read More]

Once this timeless classic starts drinking he won't stop! Just put a glass of cold water in front of him, or her, dip Drinking Bird's head in the water and release it. Drinking Bird will bob back and forth while drinking away! It keeps bobbing and drinking for hours.

Drinking Lucky Bird Includes one novelty drinking lucky bird toy Help him take the first sip by dunking his head into a glass of cold water; keep a full glass in front of the bird and he'll take sip after sip on his own. This thermodynamic bird works as a heat engine based on basic principles of chemistry and physics. The Drinking Bird may seem like a strange mystery of science, but he's really intriguing to watch. Measures about 7" tall Great for a science lesson on evaporation and condensation Perpetual motion-Watch as the Drinking Birds drinks from a glass New and Boxed Great for Science Demonstrations Drinking Bird. A rather dumb looking 6" bird with a felt covered head and has plastic feet. Worse, he cannot get his fill of water. You buy the drinks. Fluid inside condenses from the evaporative cooling of the water off the bird's beak, making it top heavy and dunking it back into the water. The condensate rejoins the liquid pool in the bird's bulb, and he tips up ag.

Forage deep underwater! Your little aquatic bird can be found in both fresh water and sea water in this disguise. The Duck Toddler Costume includes a yellow plush jumpsuit with shoe covers and duck head hood. This is a three-piece set; it does not include pants or

Our Toddler Plucky Duck Halloween Costume will quack everyone up. Your duckling will look adorable swimming in the pond or waddling on land this holiday season.This item features a yellow duck body and matching hood with orange bill. When your little one dons our Toddler Plucky Duck Halloween Costume there will be no way he or she will be mistaken for an ugly duckling. Available at

Child Male Duck Dynasty Uncle Si Costume by Incharacter Costumes LLC 101702