Forgotten the notice(s) of construction ! https://www.lego.com/fr-fr/service/buildinginstructions?cmp=brand-fr-legocom-kac-oct-16--cpcs-notice%20l%C3%A9go-co-crt-fr-notice
(for English version Click the flag up right corner page) ;)
Can be useful! :)
and some piece in direct downloding http://www.traceparts.com/fr/search/legor?CatalogPath=LEGO