Turn over the Pachinko Timer and watch the liquid drip down through the pegs. It takes approximately one minute (depending on room temperature) to completely empty into the lower portion. Great prop to keep on a science table for the children to tip, turn and watch as the liquid drops down thru the pegs. Pachinko timer can also be used for teacher or child stress/relaxation, quiet time toy, refocusing prop, anxiety prop, or a timer. Timer is 5 1/2 tall.