Shimmer N Sparkle Rainbow Popping Bath Bombs, this kit allows you to create vibrant, scented bath bombs that pop and fizz, creating mesmerizing rainbow swirls in the water. Making these bath bombs is simple and easy—just press, mold, and fill. Utilize the included molds to shape the base and lid of your bath bomb, fill it with magic popping crystals, add the lid, and your bath bomb is ready for use. Enjoy a super sensory experience with these magical and entertaining bath bombs.