Thumb buttons, thumb buttons, we have thumb buttons! These buttons are a nice macro size, but small and low-profile enough to plug into a prototyping PCB or breadboard. Their fast action is awesome for DIY buttons pads.
Magnets. How do they work? We're going to guess magic. This particular set of magnets are pretty darn strong, are able to rotate freely, and conduct electricity. That's a pretty darn good kind of magic, if you ask me.