Use air pressure to play a trick on your friends

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Use air pressure to play a trick on your friends
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  Last updated April 10, 2019 at 4:26 pm

Topics:   Innovate & Tech

What you’ll need:

2 x plastic PET bottles

2 x coloured balloons


Published By

Questacon - The National Science and Technology Centre

Questacon – The National Science and Technology Centre.


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