Made especially for kids! 6 vibrant colours to choose from, they fizz, colour the bath and each fizz ball contains a cute mystery sponge toy! Soft, soothing and gentle, they contain no nasties, no irritants, no soaps or essential oils which makes them perfect for even the most sensitive little bodies! They carry the European CE Toy Safety mark. The main ingredient is Bicarbonate of Soda (baking soda) which is a soft and natural cleaning agent, so mums', they won't stain your bath or your child - in fact, both will come out cleaner than they started!