Just a quick link, as readers of this blog might appreciate this article from the Guardian: “Why are so many retailers – and customers – stubbornly clinging to the notion that that young boys and girls should stick to their own, heavily stereotyped toys?” asks Andrew Holding in a guest post for the Lay Scientist.
Two colours in my head
Those aren't your only options
Two colours in my head 
Oh, god, why did I look at the comments?
Oh good grief, so did I.