Almond Bath Bomb

1/4 cup baking soda
2 tablespoons citric acid or ascorbic acid
1 tablespoon Borax powder
2 tablespoons confectioners' sugar
2 tablespoons sweet almond oil
1 teaspoon vitamin E oil
1/4 teaspoon essential oil

Combine dry ingredients in bowl and stir until well blended. Drizzle in almond oil and stir until mixture is moistened. Add vitamin E oil and fragrance and stir until well mixed. Take teaspoon size globs of mixture and form balls. If mixture is crumbly, add more vitamin E oil. Put balls on sheet of wax paper and leave for 2 or 3 hours. Reshape balls, then let air dry and harden for 10 days. Store in a closed container.