At the bottom or side of the package, the gap or edge inside the box, or the instructions and accessories. The hidden pens of Altman Blind Box mostly appear in the following positions:

1. Some blind boxes are hidden at the bottom or side of the package, because this position is easily overlooked and will increase the challenge.

2. The player may get hidden money by putting the pen in the edge or gap inside the box, because this position can test the player's thinking and imagination.

3. Some clues to extract hidden money are hidden in the instructions or accessories of the blind box, because it can test the player's observation and meticulousness.