happy bird

Drinking birds, also known as insatiable birdies, dunking birds, drinky birds, water birds, dipping birds, and “Sippy Chickens” are toy heat engines that mimic the motions of a bird drinking from a water source. They are sometimes incorrectly considered examples of a perpetual motion device.

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  1. B

    Closed Happy

    happy forever
  2. J

    Closed Blacksmith

    Hi everyone ! sana matulungan ko kayo at pati na rin ako sa mga bagong bugs na malalaman at matatanggap ko pa