Acid-base chemistry has never been so much fun. Wash away the bath time blues with some fizzy bath bombs that bursting with bubbles. Mould beautiful bath bomb balls and colourful shapes that fizz for bath time fun. They even have gentle glycerin in them for a silky feel. Or how about a salty bath bomb for a relaxing salt bath. Learn about polymers and gels with a bath bomb that turns to jelly right before your eyes! Multiply the possibilities with the Perfume Science Lab.