Here is how to make these cool water marbles! Things Youll Need 2 tsp. baking soda Vinegar Freezer INSTRUCTIONS: Make sodium acetate by combining about one teaspoon of baking soda and a few drops of vinegar….

Here is how to make these cool water marbles! Things Youll Need 2 tsp. baking soda Vinegar Freezer INSTRUCTIONS: Make sodium acetate by combining about one teaspoon of baking soda and a few drops of vinegar....
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