Age Range: 4–10 years
Difficulty: Easy

Description:
Learn about force and motion with a balloon-powered rocket zipping across a string.

Materials Needed:

  • Balloon

  • String

  • Straw

  • Tape

Instructions:

1. Thread the string through the straw and tie it tight between two points.

2. Tape a blown-up balloon (do not tie it) to the straw.

3. Let go and watch it fly!

Educational Angle:
Demonstrates basic physics principles of propulsion and force.