The Alex Toys Spa DIY Fizzy Bath Bombs explode with essential oils and fizzy fun colors. Relax in a warm tub, colored and scented especially for you. Add your favorite skin conditioning oil for healthy soft skin. Just follow the directions to mix the proper ingredients and create a unique ball or heart shaped bath bomb for yourself or a friend. This kit contains enough materials to make six luxurious gifts. The set includes a heart-shaped mold, ball mold, two baking soda packs, two cornstarch packs, two Epsom salt packs, two succinic acid packs, three food colors, strawberry fragrance, vanilla fragrance, a measuring spoon, stir stick and easy instructions. It is recommended for children over six years of age. They can mix colors and scents to invent something truly unique.