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How to Build a Rocket Car
- 1.
- Lay out your pattern on a styrofoam tray. You need 1 rectangle,
4 wheels, and 4 hubcaps. Use a compass to draw the wheels.
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- 2.
- Blow up the balloon and let the air out. Tape the balloon
to the short end of a flexible straw and then tape the straw
to the rectangle.
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- 3.
- Push pins through the hubcaps into the wheels and then into
the edges of the rectangle.
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- 4.
- Blow up the balloon through the straw. Squeeze the end of
the straw. Place the car on floor and let it go!
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