It's not just anecdotal [1] (forgive the article for misspelling "light saber"). Toy companies have known this for some time. It's how they make money. NPR had

It's not just anecdotal [1] (forgive the article for misspelling "light saber"). Toy companies have known this for some time. It's how they make money. NPR had several interesting discussions regarding the controversy over girl-themed Legos, and gender in toys [2][3]. 1: http://www.npr.org/templates/story/story.php?storyId=145705192 http://www.npr.org/templates/story/story.php?storyId=1457051... 2: http://www.npr.org/templates/story/story.php?storyId=160365466 http://www.npr.org/templates/story/story.php?storyId=1603654... 3: http://www.npr.org/2012/01/18/145397007/gender-controversy-stacks-up-against-lego-friends http://www.npr.org/2012/01/18/145397007/gender-controversy-s...