Now this is something to smile about...Healthy habits begin early and our 3 minute smile sand timer with tooth brush port is designed to help children achieve good dental health and have fun doing it. Kids will look forward to flipping over the timer and it will help them develop good hygiene habits. Teach children to take charge of brushing teeth at a young age. This child friendly item will be great for pre-schools and pediatric dentistry. Closeout Price!