Oral-B iO Kids Marvel Spiderman 4pk Electric Toothbrush Head for Age 6+, Gentle on Wobbly Teeth and Gums for Cleaner Teeth

SPECIFIC DESIGN: Specifically designed to be gentle and suitable for age 6+, making it a optimal electric toothbrush from Oral-B Fits all IO Toothbrushes only ROUND BRUSH HEAD: Round Oral-B toothbrush head, softer than regular sensitive clean COLOUR-CHANGING: Colour-changing bristles, blue to white, indicating when to change GENTLE CLEAN: Gentle on wobbly teeth and gums with extra soft bristles DESIGNED WITH DENTISTS : Replace the toothbrush head every 3 months to maintain optimal cleaning