Sand Timer set 9 Piece. Use sand timers for time related activities and experiments. They are also a perfect resource for time management. It also offers children an excellent opportunity to observe and compare the passage of time.

Contains: 1 x 10 sec, 1 x 30 sec, 1 x 90 sec, 2 x 60 sec, 2 x 120 sec and 2 x 180 sec sand timers.