Nanogirl's Witches' Brew Halloween Experiment

Double, double, toil and trouble; Fire burn, and cauldron bubble.
Experiment with our Nanogirl Witches’ Brew this Halloween! Watch as the baking soda and vinegar react, releasing carbon dioxide trapped in bubbles! You can use any colour you like to match your spooky theme - red, green and blue work really well.
#halloweenscience #halloweenactivities #scienceexperimentsforkids
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