The Bigjigs Toys Sit on Sand Timer is ideal for improved and managed time keeping and concentration, giving children an effective visual demonstration of time passing. The Sit on Sand Timer is like any standard sand timer, but much larger! The indestructible design makes it an excellent resource for all ages. Our 3 minute timer is ideal for use at home or in the classroom, helping to improve turn taking and stopping reluctance to change task. Available in 1, 3, 5 and 10 minutes. Conforms to current European safety standards.