This child's light-up Jack O' Lantern pin features a peeking mouse wearing a witch's hat (or perhaps the mouse is in fact a witch) and lights up with a pull of the attached cord.
At least it would if I had the right-sized battery. It appears to take a 1 1/8" long battery. I'm not sure what type of battery that would be. The pin is made in Hong Kong and probably dates to the '70's.