you push really hard on the trashcan
Push the trash can to the left of the teeter totter. After, go to the second story of the school and jump on the right side of the teeter. Now, push the trash can under the window and jump
You have to push it on the teeter-totter, or also called the see-saw, then jump on the other end. It might take a few tries. Good Luck!
a teeter totter is a simple machine . that's all i know.
Use the trash can and drag it on the see-saw, get to the second floor of the see-saw a few times and the see-saw should get the trash can onto the second floor, then you push it to the window Manny jumped in, and that's how you get in the school.
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A teeter totter
The cast of Teeter Totter - 2008 includes: Matthew Sauder as Park Dweller
Harry Potter
Teeter totter
Teeter totter
Teeter totter
Thats how it is