An automatic toothbrush is more efficient than a regular toothbrush. It's a battery-powered model and you also get a convenient charging station.
From Amazon
Oral-B Pro Kids Electric Toothbrush, Kids Gifts, 1 Toothbrush Head, x4 Frozen Stickers, 2 Modes with Kid-Friendly Sensitive Mode, For Ages 3+, 2 Pin UK Plug, Blue
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