Step 1:make a tall mountain out of sand or dirt.
Step 2: poke your finger in the mountain to make a crater.
Step 3:fill a half of baking soda in a eggcup.
Step 4:put the baking soda through the crater.
Step 5:stir and tip a little bit of food coloring and than put a half of vinegar and then put the baking soda in and now look at the volcano.
