Craft up to 12 bath bombs that fizz in the tub, with all the supplies you need. Simply mix the pre-colored baking soda, citric acid, and glycerin, and mold them into one of 6 shapes. Adorable pastel projects include a donut, macaron, cupcake, waffle, and a milkshake in a tiny, to-go cup. Package your favorite bath bombs in an easy-to-fold gift box to create the perfect presentation.