1. First
bring some caps of bottle and make a hole in the middle of the bottle caps.
2. Then cut a
cardboard in rectangle shape (10 cm).
3.
Then put
stick in the middle of bottle cap.
4.
Put a
straw in the side of the cardboard and glue it.
5. Put the
stick in the middle of the straw.
6 .
Fit a
motor in the back of the board.
7.
Fit it
with battery and put a small curve piece like fan.
8. When you
switch on the motor the wind pushes the board and the car will move … Enjoy.
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