Timer - Set of 2 - Mechanical, Chicken Shape - One Black, One White Fun & Functional - Mechanical, 60-minute timers (no batteries needed) Set of 2 - One Black Chicken, one White Chicken Timer Each one measures 2 1/4" in diameter x 2 1/4" high, made of plastic To set, turn clockwise to 55 minutes, then turn counter clockwise to the desired minutes Note: Mechanical timers will not be as precise as a digital timer