CHILDREN INTELLIGENCE DEVELOPING DEVICE

The utility model relates to a toy for arithmetic practice and learning words. The utility model provides a children's toy for four arithmetic operations in arithmetic and for learning words with pictures, having the function of self-correction for operational results. The utility model is provided with replaceable analog database cards, operational keys, and equal keys for results. The utility model uses a matrix form and a matrix decoder, wherein, the matrix form has 40 arithmetic expressions which are in 10 rows and 4 columns, and the matrix decoder is for matrix with 10 rows and 4 columns. A self-correcting indication circuit which uses a four-noise analog-sound integrated circuit or a music integrated circuit is attached with a device for learning words with pictures. The utility model has the advantages of visual design, convenient operation, and enhancement of children's learning interest. Learning is integrated with entertainment through operation, thinking, judgement, and audio and video stimuli.