Part of the appeal of playing with LEGO sets is the sense of nostalgia: a longing for things gone by. Part of the appeal can be relating to a third party franchise that appealed to you as a child, such as Star Wars, Superheroes (either type), Ghostbusters, Indiana jones or even Disney. Then, there is the appeal of playing with the LEGO themes which were important in your childhood. And this year, we seem to be getting more than a casual nod and wink to some of these themes that we have in years!