They may have had better luck on Santa’s sleigh, but more than 35,000 holiday-themed rubber ducks from China were detained by U.S. Customs officials at the Port of Los Angeles. U.S. Customs and Border Protection officers seized the ducks -- dressed as snowmen, gingerbread men, penguins and reindeer -- which were valued at $18,522, after determining they contained the chemical phthalate in excess of the limit which may be harmful to children.