I thought it was to promote the movie? I did register there, several times, I think, nothing came of it. I will try again (need to look for one of the 4545645 papers with a code )
Hey there!
I also tried it a couple of times with different vouchers and always had the same result: .. nothing!
I guess it is just a (to be honest a not really bad) marketing-thing to get people on the newsletter and mailing-list by offering them 15% on the first purchase. Beside of that you only find older infos and little movies with the code, also for "The movie", biut nothing else.
So when you already are registered at your country's Playmobil site nothing will happen. You can only try a new adress to gather the 15 %...
In the first moment I also thought about a new PCC but unfortunaltely I have the impression that there are no movements from Playmobil at all to recreate a kind of a PCC.