A great way to demonstrate basic principles of Newton's Laws to students. In order for a rocket to be stable, the center of gravity must be forward of the center of pressure. Balloons are inherently unstable which is why they swirl around in every direction when you allow the air to escape. Rocket Balloons are properly weighted to create stability. We made a real hit with these at the NSTA National Convention in St. Louis sending them to the roof of the convention center.
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