The Oral-B Kids replacement Electric Toothbrush Heads, featuring Disney Frozen Characters, are specifically designed for kids: extra-soft bristles gentle on young gums, smaller heads for small mouths, and a unique round head to cup each tooth. The replacement head features Disney Frozen characters your kids will love. Features: Suitable for ages 3+ Cleaning and fun brushing - designed especially for children Ideal size and extra-soft bristles for the mouths of children Makes brushing teeth fun with Disney Frozen characters Compatible with all the Oral-B Kids 3+ electric toothbrushes Note: Not compatible with Oral-B Sonic Toothbrushes Package Includes: 4x Oral-B Kids 3+ Electric Toothbrush Heads, Disney Frozen Oral B Kids 'Replacement Toothbrush Heads' Disney Frozen 3+ Years, Pack of 4 in Green