The Force

For the Star Wars fan that your children once were and for the fans that you see your grandchildren becoming (even though they are probably too young to have even seen the movies).
This is a commercial that was released just prior to the Superbowl of 2011, it is a car commercial that Volkswagen released online to generate some buzz and it worked!  It is very easy to picture your grandchild attempting the same sort of feats.