This is Shaelyn's car that she is building in Science.
Then they study them in Science at at the very End they have a Derby where they race the cars.
Other kids are thinking they might use the Large Nozzle or the Small Nozzle for the derby but Shaelyn is convinced that the Medium Nozzle is the way to go. I bet she's right too but she will find out at the derby. The large nozzle is a little too big & the air doesn't seal as well and escapes. Everyone has to do 12 pumps so that is the same for all students so we will see if her car is one of those that goes the farthest.
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