Astronauts go up in a rocket and come back to Earth by parachute. Rob shows how to make a working model of both with little more than writing paper and a garbage bag.
Негізгі бет Your Own Rocket And Parachute
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Astronauts go up in a rocket and come back to Earth by parachute. Rob shows how to make a working model of both with little more than writing paper and a garbage bag.
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