how to make electric air powered car
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Procedure
- Put your car down on a flat surface and give it a good push. ...
- Tape the neck of the balloon around one end of the other straw. ...
- Cut a small hole in the top of the water bottle, just big enough to push the straw through.
- Push the free end of the straw through the hole and out the mouth of the bottle.
Explanation:
Materials
- Cardboard. (one big piece)
- Heavy Duty scotch tape.
- Hot glue. (or any type of durable glue)
- Ruler.
- Water bottle cap and make sure that they ARE ALL THE SAME SIZE. (you need 3)
- Pen tube.
- 3V electric DC motor.
- 1 Straw.
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