This really gets a childs mind working. The directions are not full of writen instruction so one must use logic and trial and error to build. Once built the child has a great sence of accomplishment and hours of enjoyment. My nefews love them and it develops their imagination whating to come up with their own designs. Plus, it is way better than having them in front of a tv.
I have purchased many of these items and do not know to which one you are referring. You have to be more specific. Just a little common sense. Please do not send me any more stupid messages.