There's some video from the movie here:
There are several still shots from the film here. DVDTalk has an appreciation. FilmReference.com opens with this:
Jacques Tati's Playtime is perhaps the only epic achievement of the modernist cinema, a film that not only accomplishes the standard modernist goals of breaking away from closed classical narration and discovering a new, open form of story-telling, but also uses that form to produce an image of an entire society.
Only the Cinema calls it
one of the most exuberant, free-spirited, formally playful tributes imaginable to the spirit of invention and humor that leads people to make their own fun in the most unlikely of contexts.