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Balloons are more than just a lot of hot air! Learn about air pressure and force by doing lively experiments with air, water, and rubber balloons. See how air is not just emptiness, but has volume and takes up space. Try blowing up a balloon in a bottle. Make a simple water fountain to learn about air pressure. Race a jet-propelled balloon rocket to investigate forces. Lift a pile of books with your breath. Blow up a balloon with a simple chemical reaction. Youll have a blast with balloons zooming, floating, popping, and flying all around the room!