However i did this experiment when i was in Secondary school. This is what i remember.
We were given a kind of a foil, a huge balloon, scotch tape, rubber band and a ping pong ball. Baiscally we blew up the balloon and put the foil at the end and then used the rubber band to control the air flow from the balloon. And then placed the ping pong ball while the air is being blown out and we managed to keep the ping pong ball there.
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