It is on the second floor inside the school. There is a comic strip piece there, and you can make a stink bomb with the chemical set.
(Mix blue and yellow and heat.)
The Bunsen burner is in Big Nate Island in the school building in the science lab.
you use the smoke bomb from the science lab and use it in the detencion room.
The piece is on top of the "solar system" display at the far left.
mix yellow red and a lot of green and yellow
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.
go to the left jump and look at the solar system model and there's a comic in it.
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.
first you need to make a stink bomb in the science lab the blow the gum go in the room and plant it
in the school go to the science lab, then with the machine in there mix the right amount of the colors, then you have the stink bomb
you put the stink bomb on the ground in the detention room that you made in the science lab. the teacher walk out.
There are nine places where the puzzle pieces exist on Big Nate Island in Poptropica. These are the in the comic store, in the school, in the pop-in shop, on the phone pole, in the science lab, on the wood tower, in the photo shop, in the playground, and on the lighthouse.
Go to the Science Lab and click on the stove. Mix the blue liquid with the yellow liquid and turn the stove on.