LEGO is one of the most popular toys on the market, and fans flock to LEGO stores and LEGO.com regularly to browse and buy from the steady deluge of plastic bricks LEGO releases on a monthly basis.

But both of these sets seem rather simple for a 12 year-old. To me, these should only be rated up to age 8, or 10, at most. This is where the difference in complexity comes in. If you compare Lego ...