Get ready for popping fizzy fun with the Shimmer n’ Sparkle Rainbow Popping Bath bombs! Make vibrant rainbow scented bath bombs then hear them pop and fizz as they create amazing rainbow swirls! Its total rainbow bath bomb fun! Making Rainbow Popping Bath Bombs is so easy – simply press, mould and fill. Use the moulds included to create the base and lid of your bath bomb, then once dry fill it with magic popping crystals. Add the lid and your bath bomb is ready to use! Now you’re ready for some fizzing rainbow swirls! Rainbow Popping Bath Bombs is a magical sensory bath bomb experience! Drop, fizz and pop! Super satisfying! Hear them pop and fizz. Watch the beautiful rainbow swirls when your bath bomb hits the water and smell the delicious scents for a total sensory bath time experience!