TIME interviewed toy historians & experts to determine which playthings made the biggest impact on the toy industry—and the world at large. ... dropped recently, but Mattel still claims a Barbie doll is sold every three seconds, which would make the billion-dollar brand the world's most popular doll for girls. read more
Never mind that LEGO is the world's biggest toy company—bringing in $2.3 billion in the first half of 2014 compared to Mattel's $2 billion—and that it has spawned action-figures, TV shows, a fan conference and, most recently, a hit film. read more