Handy plastic timers with coloured sand. Race to see how much can be accomplished before time runs out. Great for games, timed tests, and time management. Includes 1 each of the 30 sec, 1 min, 90 sec, 2 min, 3 min, 4 min, 5 min and 10 min timers. Each measures 2.5cm x 9cm. Set of 8.