The Sand timer Mixed Pack of 5 contains robust colour coordinated pack of 5 midi sand timers with 30 seconds,1, and 2 minute,3 minute and 5 minute sand timers giving accurate interval times. The Sand timer Mixed Pack of 5 are perfect for use in games, accurate event timing and experiments and to set time challenges and boundaries for children. Pack of 5 Contains: 30 Second Sand Timer (Red) 1 Minute Sand Timer (Green) 3 Minute Sand Timer (Yellow) 5 Minute Sand Timer (Blue) 10 Minute Sand Timer (Orange) Each sand timer measures: 100 x 25mm. Recommended for ages: 3 years + Specification Size 100 x 25mm. Pk5.