Is it realy for kids? ;-)

I fell like I am 6 years old and back to school! The shape of the kanji (the Golden kana, for there are 2 applications) is drawn, you just-have to follow it ... With the right order of stokes! Usefull and refreshing, Even my sons want to "play" with it, and laugh at me when the "red boy" His Eyes open wide Because I made a mistake.