Description:
And Stephen built one himself as you can see :-)
Its actually pretty simple. The core ingredients are a pushbutton (seen on the far right) and a small relay(center) without housing. The knob that extends out through the panel (on the left) is just a piece of a stick for a glue gun.
For the original, look for "Circuit Breaker Brochure" here: http://www.simkits.com/brochures.php