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Green Drinking Bird Without Hat Rocking Perpetuum Mobile Physics Toy Made of Borosilicate Glass and Plastic Table Decoration

Green Drinking Bird Without Hat Rocking Perpetuum Mobile Physics Toy Made of Borosilicate Glass and Plastic Table Decoration

Green drinking bird that rocks itself and dips its beak into a glass of water. A fun demonstration of physics for your desk or shelf and an original gift. Full description
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€25.28
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Overview
Green Drinking Bird Without Hat Rocking Perpetuum Mobile Physics Toy Made of Borosilicate Glass and Plastic Table Decoration

The drinking bird is a classic physics toy that entertains both children and adults while demonstrating how evaporation and pressure change work. This version is entirely green and, unlike standard models, does not have a hat, giving it a simple and unassuming appearance. The glass part containing the liquid is made of borosilicate glass, while the head, wings, and base are made of coloured plastic. The bird stands on a stable base measuring approximately 5 x 5 cm, making it suitable for any desk or narrow shelf. Just place a glass of water in front of it and moisten its head.

As the head cools from the evaporation of water, the liquid in the tube begins to rise, causing the bird to lean forward and dip its beak into the glass. It then straightens up again, and the entire cycle repeats over and over, as long as the beak can reach the water and the room is not too humid. This rocking motion resembles perpetuum mobile and is enjoyable to watch while working, studying, or relaxing. The toy requires no batteries or electricity; it is powered solely by heat from the surroundings and the water in the glass. It makes a great decoration for an office, children's room, living room, or as a teaching aid in physics classes.

  • Type – drinking bird, rocking physics toy, and decoration
  • Design – entirely green without a hat with movable eyes
  • Material – borosilicate glass and plastic
  • Base – approximately 5 x 5 cm
  • Power Source – evaporation of water and heat from the surroundings without batteries
  • Recommended Age – from 14 years
  • Usage – table and shelf decoration and a practical demonstration of physical phenomena
  • Contents – 1 drinking bird in a cardboard box

Place the bird on a flat and stable surface away from direct sunlight and heat sources. Position the glass of water so that the beak can reach it when tilted, and refill the water as needed. Protect the glass part from impacts and falls, as it contains liquid that is not intended for consumption. Handle the toy with care and only allow younger children to use it under adult supervision. Dust from the plastic parts can be wiped with a dry or slightly damp cloth.

The green drinking bird without a hat is an unusual addition that enlivens your workspace and brings a smile to anyone who looks at it. It combines fun with a simple physics experiment that can be observed repeatedly. Thanks to the glass part made of borosilicate glass and the stable plastic base, it stands firmly in place and requires no maintenance other than refilling the water. It is suitable as a gift for colleagues, students, teachers, and lovers of science and technical toys. The uniform green colour gives it a distinctive appearance that easily fits various interiors.

Price incl. VAT €25.28