You have to be grateful for the joy that Hello Kitty has brought us, especially a story like this one: Exploding Hello Kitty toys recalled - Engadget

Takara is being forced to recall specific Hello Kitty dolls which featured a heatable disc that could be warmed and stuffed within the lining to keep kids toasty while resting. Apparently the microwavable pad housed a chemical substance (manufactured by ADEKA) not quite stable enough to handle the heat, sparking a lengthy list of of cases where the liquid erupted from its container and provided an uncomfortable surprise to the poor soul embracing the creature’s volcanic warmth.

Exploding Hello Kitty Front Exploding Hello Kitty Back

This was a solution raised by Engadget (they are Hello Kitty fire extinguishers):