Push-button facts for kids
A push-button is a switch in the shape of a small button or knob. When it is pushed it completes an electrical circuit that controls something. For example a doorbell rings when a person pushes a button, or numbers are displayed on a calculator or even when you are playing a machine game at an arcade.
Images for kids
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Buttons on a handheld calculator.
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Button shaped as an octagon.
See also
In Spanish: Botón (dispositivo) para niños
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Push-button Facts for Kids. Kiddle Encyclopedia.