Hum by Colgate Smart Electric Toothbrush Kit If you want the benefits of an electric toothbrush with a more aesthetically pleasing look, the Hum by Colgate Smart Electric Toothbrush Kit ($59, originally $85) is the option for you. It's available in two pretty pastel colours — teal or periwinkle — and comes with a matching carrier case. Image Source: amazon.com Hum by Colgate Smart Electric Toothbrush Kit $59 from amazon.com Buy Now