With Lego, you can travel the world staying at home! After the Eiffel Tower and the Taj Mahal, this is a new world-famous monument, in a XXL since the box contains over 4200 pieces and the model more complete measure of a meter long and 45 cm high! I built the two rounds (identical) in parallel with my son, which avoids having to do it twice himself. Most of the assembly is feasible by a child; you just have to help a few crucial moments (using Technic parts and width reduction of one or more pins arriving up by sophisticated techniques). As usual, provide for clubs to sort the pieces, and plenty of time to deal with them (4 mornings + a night for sorting). The end result is beautiful! Lego so long as other models of this type. For example, a large cathedral like Notre Dame de Paris ...