Rocket Balloon Directions
You will need:
Insert the straw an inch into the balloon. Holding on to the balloon at the straw with one hand and stretching the balloon with the other, inflate the balloon. This will be a challenge the first time, and you may need someone with bigger lungs to initially inflate the balloon. Once inflated, take out the straw while squeezing the nozzle tight.
5-4-3-2-1 Blast Off!
Add a bit of cornstarch to see that gas is coming out of the balloon.
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