In an ironic twist of fate, the very animals that Zhu Zhu Pets are fashioned after are being used to test the toxic levels of antimony in the fur and noses of the popular Christmas toy, and the live pets are not faring as well as their robotic counterparts. When the toys were put into the cages of the live guinea pigs, the animals started going haywire, biting into the fur of the Zhu Zhus. However, when the popular 1990’s toy, Kung Fu Gerbils were put in the cage, behavior returned to normal.
