Triple Bristle Kids 3-sided Sonic Electric ToothbrushDentist designed and recommended for kids and individuals with smaller teeth and sensitive mouths not just for kids. Rechargeable sonic toothbrush handle and compact brush head compared to the Original Triple Bristle brush head. Same oral care benefits, slightly different features. If a smaller TRIPLE sided brush head is what you are looking for, this model is for you. Features & Benefits Unique brush head design cleans all surfaces at the same time