How to Create Helium with Baking Powder and Vinegar - 搜索图片

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DIY: No Helium Needed to Fill Balloons

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YouTube > PhoenixWriter13
Can baking soda and vinegar replace helium?
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YouTube > Nadine Hill
How To Fill A Helium Balloon
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YouTube > GAME LOVE
How to make helium gas
YouTube · GAME LOVE · 10.2万次播放 · 2012年11月16日

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