What drone should i buy my son?

Hi everyone
Thread title says it all.
what drone should i buy my son for birthday?

How old and what would he want to do with it?

It may be past Christmas but there are some solid suggestions in this blog post, covers all ages and skill levels: https://blog.dronedeploy.com/so-you-want-to-buy-a-drone-for-christmas-3f6ce43f1bee#.72ug34v5s