"This Lego set comes in about 20 plastic bags split into 7 assembly steps. I would recommend only opening each set of bags as you require them, because even limiting yourself to what you need, it is easy to overwhelm yourself with pieces. It makes use of a large number of 1x1 and 1x2 plates and bricks of varying colours, and though some sections are repeated and can be built in parallel, there is enough unique construction to make assembly take some time; even with sorting each set of bags to finish it as quickly as possible, it still took 12 hours to finish (Not counting breaks for the occasional cup of tea. Even if you are not British, I suggest having several tea breaks to create the right atmosphere!). The finished model is incredibly accurate compared to the actual building - The proportions of the clock tower are slightly off but that's unavoidable because of the brick dimensions and only noticeable when placed next to a photograph. The clock function is nice, but it's a pity there's no way to make the hour hand run independently from the minute hand. A note for people who like to do their own thing with Lego - There are blanked out areas on the back face where the rest of the Houses of Parliament would connect. I checked how big this would be, and it is almost exactly the same area as a single bed takes up!"