14,99€ - AmazonSpecially designed and suitable to be gentle for children aged 6 and upRound Oral-B brush head - even softer than regular Sensitive Clean replacement toothbrush headsColor-changing bristles change from blue to white when the brush head should be replacedGentle on wobbly teeth and gums - with extra soft bristlesDeveloped with dentists - change brush heads every 3 months to maintain cleaning performance