1x Push-Button for Keys Car Keys, Micro Button Switch Car FFB KeyCard and Garage Remote Control : Amazon.de: Electronics & Photo
WITTKOWARE EV-163103 Micro Switch, 28 mm, 16 A, 250 V, 1 PDT, without Additional Actuator : Amazon.de: DIY & Tools
Amazon.com: Icstation Recordable Sound Module, Button Control Sound Chip 8M MP3 WAV Music Voice Player Programmable Board with Speaker for DIY Birthday Music Box Greeting Card Father's Day Creative Gift : Electronics