lol ill tell you the easiest way grab a piece and clear the whole box first the try to put that piece in every place in side the grey box that is in the middle . when the piece is in right place it will be stuck there then you grab another piece and its gonna be stuck as well and thats how you finish the puzzle easy af max 5 min to do it my man :P i completed the hard one xd it took me 35 min to complete it cz it had like 200 peices or so xd