A California woman has more "Hello Kitty" items than she even knows ... Helen stores her massive collection in a temperature-controlled mini-museum where shoe covers are required.

Most people have heard of the beloved main mascot of Sanrio, Hello Kitty. You’ve seen her adorable face in toy shops, on mugs and shirts, and even television screens since the year 1975.

The Hello Kitty Cafe Truck is traveling back to the Bay Area.  The pink-based truck with confetti and Hello Kitty drawings is celebrating the cartoon’s 50th anniversary and the truck’s ...