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Balloon powered car
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Easy Balloon Powered Car - Easy Science for Kids
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How to Make an Air-Powered Balloon Car? - Science Experiments for Kids
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Balloon-Powered Car - SICK Science | Science Experiments | Steve
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Making a Balloon Powered Car - YouTube
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Jovial Spondoodles: Balloon Powered Car
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Balloon Powered Car
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Teaching Science With Lynda: STEM Challenge: Making a Balloon Car