Lego This is a marvel of ingenuity. The number of gears is amazing and you will have a good fifteen hours to see the end. Lego is divided into six booklets, 3 separate parts (truck, the lower part of the crane and its upper part. The parts are also classified by numbered bags of 1 to 3 to avoid losing them by seeking correct parts. In short, I soon 29 years and I really enjoyed myself build this Lego course I recommend to anyone over the age of 11 years.