hand2mind Orange Jumbo Sand Timers, 5 Minute Sand Timer, Hourglass Sand Timer with Soft Rubber End Caps Offers Quiet Pausing, Classroom Sand Timers for Kids, Teeth Brushing and Game Timer (Set of 1) ...

Classroom timer with Strong Magnetic back 2.0 retractable stand and hook for hanging, can be positioned in variety of locations, like table, blackboard, ...

Approximate time lost: 1.5 minutes. Call to the classroom phone: Such calls to teachers’ classroom phones—whether from the front office to ask if a student is in class or from another ...