The Oral-B Kid’s Battery Powered Toothbrush featuring Marvel's Spiderman is the perfect battery powered toothbrush for your own little super hero. As their oral health evolves and they lose their baby teeth, it is important that they continue to get effective cavity protection for their growing permanent teeth. This toothbrush features the added benefit of battery power to help them get the most out of their brushing routine. Best of all, this battery powered toothbrush is compatible with the interactive Disney MagicTimer App by Oral-B to help your kids brush for a dentist-recommended 2 minutes. Replace the brush head every three months (or sooner if brush head becomes worn) with other compatible Oral-B replacement brush heads. Replaceable AA batteries included. Oral-B is the #1 dentist-recommended toothbrush brand worldwide