Children can effectively learn math with friendly natural animals and/or worms. The comprehensive game to find a Holy Cup Deep in Jungle is provided. The guardian dragons of the Holy Cup will multiple, if the player makes incorrect answers or too late answers, that makes it difficult to obtain the Holy Cup ,The articles of the contents are such as linegraph, decimal addition and subtraction, fractions, divisions, rounding, geometry workshop(area, triangle, angle, etc. )