I've built a few advanced LEGO sets, many for IGN. But building the new LEGO R2-D2 was challenging and difficult in a way that those builds were not. This is not a build designed for multitasking, ...

This set is exceptional; it is the most fun I've had building a LEGO project since The Mighty Bowser, and it has everything to do with the four skull-printed knobs that line the bottom of the set.