Rubik's cube helps to cultivate children's hands-on and brain skills, and trains children's logical thinking ability, memory, concentration, judgment and imagination. This game has less investment, simple props and is not limited by time and age. More importantly, it is easy to use and children will not feel bored.
The international number chess consists of a hexagonal chessboard and ten pieces, and there are two pairs of numbers from 0 to 9 on the pieces. In the chessboard, ten numbers from 0 to 90 are arranged according to certain rules. Before playing chess, players should put their ten pieces of the same color into their own camp.
The basic idea of playing chess is to play chess on the diagonal of elementary arithmetic through addition, subtraction, multiplication and division, and finally to decide the outcome by calculating the score. To move a match skillfully is to move a matchstick at will, so that the equation can be established, and interested children can try it themselves.