 Ultimate Spa and Perfume Kit includes everything you need for a complete spa experience, and has more for you to make than any other product available. $29.95 Sale! $26.96 |  Spa Science Kit is perfect for science fairs, birthday parties and family fun to blend natural and organic ingredients to make your own fresh spa products. $19.95 Sale! $17.95 |  Perfume Science Kit. Follow your nose on a fragrant journey through the science, history, and art of making perfumes. Experiment with countless fragrance combinations on your way to becoming a master perfumer. $59.95 Sale! $53.96 |