結果 : how high can a small helium balloon go
1:17

How high can a helium balloon go?

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3:22

How high do helium-infused balloons rise to?

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7:37

How much helium does it take to lift a person?

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Lifting a Man with Helium Balloons? | I Didn't Know That

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How One Man Flies Hundreds of Miles Using Balloons

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Why Do Helium Balloons go Down so Quickly?

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The Disaster of Balloonfest '86

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Floating helium balloon in a moving car

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Filling an Air Mattress With Helium to See if I Can Float!

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GoPro sent into sky with helium balloons

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Science & Environmental Facts : Why Does a Helium Balloon Rise?

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David Blaine Jumps From Balloons 20,000 Feet in the Air

Inside Edition
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When You Let Go of A HELIUM Balloon... #fairytale #alexanderrybak #driveforever

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5:04

How To Make Helium Balloons Float The Longest

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Skydiving with NO PARACHUTE 😂

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