A 1921 Marklin Outfit No.6. (The German equivalent of Meccano). I have not attempted to check the contents of this outfit in any sort of detail but on a brief examination it seems to be in a fair state of completeness, It is tightly packed and there would be little room for anything more. There are two versions of the same manual, one in German and one in English. Rust has got at the Axles and is evident to a much lesser degree on a few other parts. It is very heavy!