DIY 70mm bath bomb making kit for home use. - Product Name: BATH BOMB MAKER - Instruction Manual: Included - Manufacturer: BANPRESTO - Colors: White/Pink - Size: Makes 70mm bath bombs Thank you for viewing. Used a few times, with some damage to the outer box from storage. The instruction manual also has creases and some yellowing. There is no noticeable damage to the main body, but the propeller part has some scratches from mixing baking soda. Please understand this before purchasing. Baking soda Citric acid Bath bomb Bath additive