The large size of the timer makes it easily visible for the whole class. Can use sand timers for a wide variety of activities. A great hands-on investigation of time. Perfect for classroom management. Also a must have for games where the passing of time is important. Ages 3+ years. Giant Timer 16 x 8.5cm. Colour Coded: Purple 15 minutes.

The sand falls through a strong glass timer and has an acrylic outer tube for extra protection.