Little clicky switches are standard input "buttons" on electronic projects. This work best in a PCB but can be used on a solderless breadboard.
The pins are normally open (disconnected) and when the button is pressed they are momentarily closed.
It comes with a candy-colored round cap that snaps on.

Available colors:- blue, grey, yellow, green, and red.

The round plastic button tops affix easily to the tactile switch body.
Assembled button dimensions: 12mm x 12mm x 12mm