This project uses PVC to hold air pressure, a sprinkler valve to release air & a bike pump. Marshmallows go in the end of the cannon. Pump to 20psi & fire. The marshmallow will travel up to 190 feet.

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Joe Hudy

- Look What Joey's Making

Joe Hudy is 15 years old and lives in Arizona. He enjoys soldering, programming, designing & 3D Printing. He want to be a Electrical Engineer. His other favorite thing is attending Maker Faires.

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