SpaceX rocket scientists built a robot that makes $8 pizzas - Los Angeles Times
Emergency Stop Switch - RobotShop
Three palm-sized curlybots (each with a large record/playback button
Description Digital push button with LED (Red) Large button keypad and high-quality first-class top High quality connector and immersion gold surface
Gravity Digital Push Button (Red)
Big Dome Push Button & LinkIt Basics - Instructables
Big Red Push Button - RobotShop
12mm Push Button Switch - RobotShop
RobotShop
Description Features It's the end of the world, and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push
Big Dome Pushbutton - Red
Big Red Push Button - RobotShop