The Japanese one with the dildo says in the lower right hand corner, "Teaching about the Edo period" - the Edo period was about from 1603 to 1890s...anyway, that doesn't explain the picture at all, but that's what it says in the corner.
i sat in my room literally laughing out loud at most of these pics. then I looked around and saw that i was alone and decided to open the door get on the floor, everbody walk the dinosaur