For many students who do not understand the third level of the Cat Museum, the following "How to pass the third level of the Cat Museum" collected by the editor of Source Code.com will answer relevant questions. Hope it helps.
1. First, the player enters the statue hall and clicks on the sculpture to obtain clue 751.
2. Then talk to the poet to fix the radio and put the mouse tail into the radio.
3. After talking to the poet, enter the ear to complete the puzzle.
4. After talking to the poet, a monster will appear. Go to the right and run to the sculpture to take the elevator to pass the third level.