From completing group assignments in the classroom to brushing their teeth at home, help children learn how to manage time well. The Time Timer Plus Visual Timer gives a visual representation of time passing in bold color, so it's easy to see how much is left at a glance. Used to teach children the concept of elapsed time. Designed with a lightweight, anti-static disk. Numbers are easy to read. Volume control lets you manage the tone level. Timer does not tick to help minimize distractions. Handle allows easy carrying. Powered by a AA battery (sold separately). Reaches up to 60 minutes.