The conger math House of balance, the digital method code and the cartoon method code, when both sides of the law code weight equal, the pointer will swing to the right symbol. Clever use of the balance principle to guide their children to easily learn the 10-bit addition and subtraction and weight concept to encourage children to yourself to find the answers. Addition can also add a lovely the conger series cartoon in the game, find out the relationship of their weight, make learning math easy and fun!