Our son had two buckets Lego Duplo been given, but the real building experience came on only when I bought him the big building board to do so. Especially for small children, it is important that you have a reason to be built on the, for fences, garages, large towers and what the dwarves otherwise fun. In addition, you can actually even pick up a good building for days and continue to play with it. Since then the children play a lot better with the Duplo, as they have already done so, build zoos and farms for which the disk has enough space. Although the board is not cheap, but in good quality Lego and very durable.