1. When you enter the paper man's shop, you can look at the stool. Open the blanket under the stool and you can see the mechanism. Click on the bookshelf above the desk behind you, and you can get a blue model book on the top floor and a stack of banknotes on the bottom floor.
2. Click on the book in the middle of the bookshelf, you can know the prompt, and don't use it for the time being.
3. Go to another room, click on the box next to the gate, make a puzzle, open it and get a key.
4. Go back to the room with the paper man and open the box on the back wall with the key. This is a light box that can adjust the color of light. Every time you tune it, you can click on the gate to check it, and a story will be triggered when you return. According to the color of the atlas, the password of Facebook is 1452324 1 (pay more attention to the order of clicking Facebook, not the number of clicks).
After that, you can go to the basement. Further to the right, point to the secretary on the third floor of the bookshelf. There are some tips. Click to open the wall as prompted, as shown in the figure. When the wall is opened, it will be scratched.
6. Open the coffin with your arm and get the nail with your arm.