you don't. first you chew gum, which gets you in detention, then when you're in detention use the stink bomb to get the teacher out.
To get out of detention on Big Nate Island on Poptropica, use the stink bomb that you make in the science lab to drive the teacher out of the room.
To the detention room but you have to get gum to chew on but not from the poptropica store
you have to get detention with the bubblegum and then use the stink bomb in detention.
in the detention room
Chew the bubble gum
plant the stink bomb
Go into the school, by the detention room, then chew it! That's how you get into the detention room! Hope this helped!
in the detention room on big nate island
Get detention Set down stink bomb Click file cabinet
You set off the stink bomb you made in the Science Lab she says "what is that terrible smell!" then you can get out of detention.
It is in the detention room in the school on the far left side and on the door says detention on it in bold black letters. PS: If you set down the stink bomb the teacher leaves and click on the send drawer down and that is where it is!
Chew bubble gum to get in detention. Use the stink bomb to make the teacher leave. You can then go over to the file cabinet to go downstairs.