How to Make a DIY tennis ball cannon out of a soda can and rubber bands

Tennis balls make great ammunition for all kinds of store bought and DIY launchers, cannons, and slingshots. If you prefer to make such things yourself, this video will show you how to make a really cool tennis ball launcher out of a soda can, rubber bands, zipties, and a plastic bottle. If you use tense rubber bands these babies can launch a tennis ball far and hard.

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