Custom Desk Accessories, Smile Two Minute Brushing Sand Timer - Dental Timer, Brush those chompers for just the right amount of time with our Smile Two Minute Brushing Sand Timer. Simply flip over the timer when you begin to brush and keep at it until the sand falls completely from one end to the other. After two minutes, you're done and ready to take on the day or get a great night's sleep. Available in a variety of fun colors, this timer, with ample space for your imprint, is a wonderful promotional item. ... #TIM101 $1.12/each.