Children can effectively learn math with friendly natural animals and/or worms.The comprehensive game to rescue the princess frog from Witch's Castle is provided. The witch's dragons multiple to make it difficult to rescue the princess if the player makes incorrect answers or too late answers..The articles of the content are such as the bar graph, measuring the weight, Multiplication, Liters and milliiliters, Fractions, the time, the length, division and the remainder, geometry workshop ( the triangles and the quadrangles)