Teaching differentiation to the children

A few teachers have posed this topic in previous meetings. We have discussed the motto: “Fair isn’t the SAME for all. Fair is getting what you NEED.” This is a cute way to teach it to the little guys:

 http://saylorslog.blogspot.com/2011/08/differentiation.html I’m gonna do this!!

How creative are you with teaching differentiation? Do you just ignore the question when it is posed? Or do you think nobody else will notice? How have you addressed this topic both successfully and maybe even unsuccessfully in your classroom?