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Color mixing experiment with baking soda and vinegar eruptions - a fun and simple twist on a classic experiment for kids.
Fizzy Engine: Baking Soda & Vinegar Trains @ Play Trains! Fun summertime science for kids who love trains.
Here's what you need: sandwich-sized ziploc bag (I used a generic brand and it worked fine!) 1/4 cup warm water 1/2 cup vinegar 1 tbsp. baking soda toilet paper Put baking soda in toilet paper to make a packet. Put water and vinegar in sandwich bag. Hold packet of soda toward top while you seal the bag. Shake bag to mix and set down quickly either outside or in sink.