This toothbrush for kids is extremely efficient. It brushes both teeth and gums, and most of them at the same time. This will of course save you and your child time and energy. It is scientifically proved, that the electric u-shaped toothbrush for kids only requires 60 seconds of brushing. After this, it shuts down automatically. So, you do not have to count or set a timer. After 60 seconds your child´s teeth will be shiny clean.