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.
The ProtoSnap series is a new way to prototype your projects without a breadboard. This box of goodies comes with a bobbin of conductive thread, needles, a battery and a sewable slide switch, battery holder, push button, and LEDs to jump start you into E-textile circuits!