There is a world of difference between looking at a clock and being able to say that it’s 3 o’clock and understanding ‘how long’ 5 minutes is. The Time Timer helps students of all ages understand the passage of time. Used by all different types of educational professionals and in a variety of learning environments, the Time Timer helps students from Preschool to High school, from maths activities to practising with routines. No ticking, and an optional audible signal when time is up. AA battery required (not included).