FYI, but lots of elements in there are interactive. There are some screens you can click and they will change there animations. Some things trigger sounds. There is even a game if I remember correctly.
"This suitcase contains secret information where mafia treasures are hidden. Try to unravel the mystery of this suitcase and find the treasure! Use the clues on the yellow stickers, they point to various objects on the floor"
If you look at (click) a suitcase in the mafia room
