Kasstino Cartoon Animal MIni 55 Minute Kitchen Timer Cooking Mechanical Timer Alarm (Frog) Lovely Cartoon Style Kitchen timer. Timer goes up to 55 minutes. Mechanical, no need for batteries. Measurement(W*H):6.5CM*6.5CM To set time, first turn clockwise to the max 55-60 minutes to supply enough mechanical clockwork power, And then turn counterclockwise to set the desired time.