The range of 6 Sand Timers by Sensory Sensations are great to be used in a variety of circumstances, including games, tests, challenges and for other timed activities. Sand Timers provide a clear visual representation of time and can be used to aid understanding of the complex concept of time. Sand Timers can assist with concentration during timed activities in classrooms. They can also aid behaviour management, such as managing time outs for children who can’t yet tell the time. The Sensory Sensations Sand Timers are designed with thick surround walls and fully molded ends to protect the timer in classrooms or at home. Measures 16cm high and 7cm wide. Not for children under 3 years.