Are "gender-typical" toys --girl toys and boy toys - merely a matter of culture training and parenting choices? Or is something else going on?
Consumers Want Toys That Aren't Stuck in a Gender Binary
Emory Magazine: Summer 2008: Boy Toys
28 Toys Your Kid Will Never Get Tired Of Playing With, play played toy
Gender Toy Preferences: Scientific or Socialised? - Not Only Pink
New Report Reveals How The Marketing Of Toys Reinforces Gender
New Playthings in The Thinker & The Explorer, play played toy
Use clinker bricks for interesting structures - The Washington Post, Bricks
PDF) How Large Are Gender Differences in Toy Preferences? A
What the Science Says About Kids and Gender-Labeled Toys
Girl toys, boy toys, and parenting: The science of toy preferences, play played toy