Our 4 year old son has this Ritterburg ardently desired by the Christ Child and the joy was correspondingly large course with him on Christmas Eve. Since we wanted that our little one can start playing the same we have built it before, and I would also advise other parents. It already makes some work to assemble the many parts, and that's certainly better if not impatient little kid next to it. And if you have the time and tranquility, you can see also how to configure it properly and then hooked because nothing. We have also assembled the wall only wrong but is right to put the wall on the square tower inside, then everything fits. The negative reviews are therefore not quite understand. Our little one has in any case a lot of fun with the many great details and it is his absolute favorite of the Christmas presents. I can really recommend