The structure of the bank is very easy, even I have hinbekommen :-) The first bank crashed after about 2 months together, but go well together with a material error, after a complaint I got without any problems a new bank sent. From this service, I am really excited, complained on Sunday by mail with photos, on Monday shortly after 8 clock, I had an e-mail that a new bank is on the way. This bank now I have not crashed back together about 3 months in use and so far it is. What bothers me a bit, however, is that it is quite shaky. This can be indeed a little fix, where you always follow suit the screws, but as the yellow of the egg, it is not. If you sit in pairs on the bench, I always feel uneasy, particularly as they then shaking even more. Visually, the bank is very very nice and I'm waiting times the durability from.