These training toothbrushes from pigeon are specifically designed for babies with growing teeth. It is very soft and flexible for the baby’s teeth.For babies between 6-8 months with two to three milk teeth. (Lesson 1).Thick and contoured handle is easy to grasp.Lesson 2: For babies between 8 -12 months with eight to 10 milk teeth.Lesson 3: For babies above 12 months old.Use under physician care.