Classroom Clock Set - Help students understand the coordination of passing time with night and day as well as comprehend the minutes past the hour associated with each number. A versatile teaching tool, the Day/Night Teacher® Clock uses large, bold numbers with moveable hands to illustrate hours and minutes. A window with images of the sun and moon change as you rotate the clock's hands, helping students see the times of morning and evening. At each number there is also the digital representation of the minutes past the hour. The classroom set contains one Demonstration Clock, 24 Mini Day/Night Teacher clocks, and an activity guide all conveniently packaged in a carrying case.