Race to see how much can be accomplished before time runs out. Great for games, timed test, and time management. Handy plastic timers with colored sand. Each timer measures 1" x 3.5" . Each set includes 8 timers, 1 each of 30 second, 90 second, 1 minute, 2 minute, 3 minute, 4 minute, 5 minute, 10 minute timers.