Could you clearly show me how boys are going to like the expansion? Pretend I'm your typical teenager. What's going to get me to Walt Disney World when Fantasyland expands?
And yah, sorry that your nephew didn't get to see everything, but I don't really buy that there's not enough for children to do there. Magic Kingdom only has height requirement for Space Mountain, Big Thunder, and Splash right... and maybe the Barnstormer? If anything, there's not enough rides in general at MK.