How to build a stomp rocket

4. Create your rocket

Next, cut a square of thin card around 16cm wide and long, then wrap it around the plastic tubing. Put sticky tape around it like you can see in the image above, making sure there are no gaps. Cut a circle of card out and stick that tightly over the end of the tube. Your tube should be quite a tight fit on the plastic tubing but should come off easily when you blow into it.

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