Gather baking soda
Gather vinegar
Gather dish soap
Gather red food coloring
Gather a small cup or bottle
Gather clay, paper, or playdough for the volcano shape
Place the cup or bottle in the center
Build the volcano shape around the cup or bottle
Leave the top of the cup or bottle open
Add baking soda into the cup or bottle
Add a few drops of dish soap
Add red food coloring
Pour vinegar into the cup or bottle
Watch the eruption
Repeat with more baking soda and vinegar if needed