LEGO 2014 Lego Advent Calendar Day 7 December 7, 2014 Eric Franks 1197 ViewsAdvent Calendar, Advent Calendar 2014, Hoth, LEGO, The Empire Strikes Back Today’s model is a canon like the one the Snowtroopers used on Hoth in The Empire Strikes Back. It’s made up of 12 pieces plus there are five 1×1 round bricks that can be fired from the canon via the working mini shooter.