See Their Smile Grow. This toothbrush is compatible with the interactive Disney Magic Timer App by Oral-B to help kids brush 2x longer. The Oral-B Kid’s Manual Toothbrushes featuring Disney & Pixar's Toy Story are the perfect kids toothbrushes for your own little space ranger. 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 is sized to surround and clean their pearly whites and reach tricky back teeth while protecting their tender gums with soft bristles.