Make time visible for all with the giant 15minute purple sand timer | Measuring 16 x 85 cm and colour coded purple, this Large sand timer is easily seen by the entire class, making it ideal for managing longer activities or games | The hexagon-shaped ends prevent rolling, while the durable glass and acrylic design ensure it stands up to classroom use | Suitable for ages 3+, it s a must-have for hands-on learning about time