'Yubi-drill Draw and Excercise: Numbers' can happily learn numbers by the thing written to the child who will
learn numbers in the future by the sound, the illustration, and the finger.
Let's learn the number of how numbers count and thing first touching the screen. An easy figure from 1 to 10 can be remembered by a happy illustration and the voice. If the number comes to be counted, let's learn the number and the order of the thing. In addition, if the figure is written by using the finger on the practice screen where a happy guide attached, the child will firmly remember the figure.