First stage children's toothbrush: for children 6-36 months, intended for the first period of tooth growth. Especially suitable for exercise in dental care routine. Soft, thin bristlets especially reduce gum lesions. At this stage, your child's first teeth are still growing, so the gums are susceptible and irritated. The bristes of the toothbrush in the first stage are thinner and softer to gently massage the gums and reduced lesions. Two-step customized oral care solutions from Mother K. Second stage: the appearance of the first bushes for teeth from 24 months to 12 years. This toothbrush is designed for already grown children who begin to chew a variety of food. During this stage, your children will start brushing their teeth independently, and the non-slip grip will be stable and comfortable to hold in your hand. Soft, elastic and combined bristels combined and soft 1.5 immediately Dener Bristlets Produced by companies certified by ISO standards. Extremely comfortable grip. Designed for babies and children of the first experience with a toothbrush.