Moo box
Toy that produces the sound of a mooing cow
Moo box
The moo box or moo can is a toy or a souvenir, also used as a hearing test. When turned upside down, it produces a noise that resembles the mooing of a cow. The toy can be configured to create other animal sounds such as the meow of a cat, the chirp of a bird, or the bleat of a sheep.
Read on Wikipedia · Image Adrien Panhaleux, CC BY-SA 3.0
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