“From 0 to 1” Children's oral development has different stages. Therefore, supported by Namei technology, R&D and scientific segmentation, “From 0 to 1” focuses on the design and development of oral care products for children of all ages. Brush heads, materials and sizes are designed separately for children of different ages to make sure that they get the most comfortable and scientific dental care. “From 0 to 1” also features different cartoon images on products, depending on what children like and the stories they read, so that they are happy to brush their teeth every day.