[How to play] Let's make three digital numbers even with all 9. When number increase automatically, you must touch the number when the number becomes 9. (you are given a penalty when touch a number except 9) When a number does not change, you must touch the stick of the number, and change the form of the number into 9. TIME TRIAL measures the time when you prepared 25 times of three nine. SCORE TRIAL measures whether you prepared several times of three nine doring 90 seconds.