Zhu Zhu pets are the hot Christmas toy this year (at least that’s what they tell me). Then a safety scare threatened to dampen the holiday fervor for these fury critters, after a web site claimed one Zhu Zhu model contained unsafe levels of antimony, a fire retardant linked to heart and lung problems. Turns out it was a false alarm. Yesterday the Consumer Product Safety Commission confirmed Zhu Zhu pets meet applicable safety standards. That’s a relief, right? Given the apparent hysteria over Zhu Zhu pets this year — I know one parent who got up in the wee hours of the morning to be first in line for one — some may find the CPSC announcement disappointing, as it eliminates one excuse for failing to have found one.