Exclusively for our readers, this Top 14 Singles Oil Set drops from $59.95 to $46.94 when you enter our promo code Brads14 at checkout at Plant Therapy. Plus it ships free in a wooden gift box. This is the lowest price we found and works out to be $3.35 per bottle. This set features fourteen of the most popular 10-milliliter oils: bergamot, lime, cinnamon cassia, peppermint, pink grapefruit, lavender, lemon, spearmint, clary sage, patchouli, eucalyptus globulus, rosemary, sweet orange, and tea tree. There is no sales tax (except ID).