Second pic: his decoration. He uses a Japanese tape to mount the pictures. Japanese tape, he is a cool kid.
The last but one pic: I think we have enough Legos in our house. So I am not going to buy a Dino lego or whatever he keeps asking me for. And look, he build a pretty dinosaur by himself! The guy in a vehicle has a start wars shooting gun, I am afraid it is the end of the dinosaur.