 Whip your bath into a frothy fizzing sea of color and fragrance. Make colorful, fragrant bath gels, bath fizzers, spa lotion, bath balm, a face mask, and shampoo. $19.95 Sale! $18.95 |  Explore the mystery and science of fragrances. Create your own signature fragrance, mix exotic scents, have a perfume making party. $19.95 Sale! $18.95 |  The Art and Science of Making Scents. Follow your nose on a fragrant journey through the science, history and art of making perfumes. Great for development of Science Smarts. $59.95 Sale! $56.95 |