Balloon Rocket

Create your very own balloon powered rockets and see how far they can travel.

Experiment with different balloon shapes and sizes to experiment with the travel speed.

  1. Ages: 5 - 16

  2. <30 minutes

  3. A little messy

Materials you'll need

Step-by-step tutorial

  • Step 1

    Cut a long piece of string, several feet long. This will act as your track for the launch. Thread the string through a wide straw, cut to 4" (10.2 cm) long.

    Photo reference of how to complete step 1

  • Step 2

    Find an open area to tie or tape the two ends of the string. We found a good spot outside between trees, but you can also tie the string to two chairs inside.

    Photo reference of how to complete step 2

  • Step 3

    Blow up the balloon and pinch the opening to keep the air inside. Use tape the secure the balloon to the straw.

    Photo reference of how to complete step 3

  • Tip

    You may need another pair of hands to complete this step

  • Done!

    From one end of the string, let go of the balloon and watch it zoom across!

    Photo reference of how to complete step 4

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