Techniek

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vul een fles met baking soda en azijn, trek je ballon over de hals van de fles en je hebt huisgemaakte helium :-)

No helium needed to fill balloons for parties.just vinegar and baking soda! I NEED TO REMEMBER THIS! this is important since helium is not a renewable source and is in such short supply-kid science project

No helium needed to fill balloons for parties..... How to: Just vinegar and baking soda! I NEED TO REMEMBER THIS! This is important since helium is not a renewable source and is in such short supply.

No helium needed to fill balloons. just vinegar and baking soda!No helium needed to fill balloons for parties.just vinegar and baking soda! I NEED TO REMEMBER THIS! this is important since helium is not a renewable source and is in such short supply

Beeldbank: drijven en zinken bij de watertafel. Flip en drijven

Beeldbank: drijven en zinken bij de watertafel. Flip en drijven

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