Science experiments for children – Balloon jet car
first model
What do you need?
a plastic bottle with lid,
four indentical buttons,
a drinking straw folding,
an elastic band,
a balloon,
two sticks to the wheel axles
thread.
What to do?
Assemble by following the instructions in the video, then inflate the balloon through the straw and release:
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Science experiments for children – Balloon jet car
Second model
http://www.arvindguptatoys.com
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Science experiments for children – Balloon jet car
third model
In this project, the balloon is replaced from the air admitted through a bicycle pump:
http://www.arvindguptatoys.com/
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शुक्रिया अरविंद गुप्ता जी
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Altri link
https://www.grc.nasa.gov/www/k-12/BGP/Ashlie/BalloonRocketCar_easy.html
http://www.hometrainingtools.com/a/balloon-rocket-car-project
