Teaching time will be much easier using the new Day/Night Teacher Clock. Move the minute hand with either the dial located on the back of the clock, or by using the knob support on the minute hand. The sun and moon wheel turns as the clock hands move in a 24-hour period to illustrate day and night. The minute hand is blue, to match the minute ticks; the hour hand is red, to match the hour ticks. Made of SAFE-T Plastic®. 4-1/2 inches high and comes with its own removable stand.