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How To Make Pen Rockets

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RISK Channel

If you find any coffee straws with a smaller diameter, the rocket will have a more consistant launch

2 Years ago

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Chris Robitu

When north korea sees this we are all dead

2 Years ago

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HelloItsSpades

your pen rocket blew up, you forgot about the small hole on the side of the pen, it compromised the structural integrity of the rocket

2 Years ago

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