[日本語がまだありません。書く暇が出来たら書きます。^^;] The X3 also contains parts for an X1 Kai but is probably not worth getting unless you have a few quid knocking around. If you have the X1, you can just get one X3 and you will find that the upper parts will fit onto the legs of your X1 (as pictured here).
The "Full Cross" (フルクロス) parts (those thingies hanging off the shoulders) dont fit properly onto the shoulders and just rest there - same for the parts around the neck - very very disappointing. If you are willing to use the super glue then you would get enjoyment out of this but otherwise you would be rather miffed indeed. And to answer a previous question - the X3 does come with the cloak that you see in the X1 gallery.
