Mix the salt and flour together in a bowl.
In a measuring cup place the water and add 5-10 drops of food coloring (to your color preference).
Pour the water/food coloring into the flour/salt mixture and stir to combine.
Measure out one tablespoon of olive oil and add 5 drops of lavender essential oil. Add oil to the play dough mixture and stir to combine. If it's too sticky add a little more flour.