Educational toy for mental development of children

The utility model belongs to the technical field of mental development of children, and discloses an educational toy for mental development of children, which comprises an educational building block plate. The number and graph exercise assembly is arranged in front of and in the middle of the top of the intelligence development building block plate and can exercise the child number and graph recognition ability; the ferrule numerical value exercise assembly is arranged at the top of the intelligence development building block plate and behind the digital figure exercise assembly; the ejection mechanism comprises an ejection assembly and a limiting assembly. Through the ejection plate, the pushing plate and the connecting spring, a pressing plate can be pushed to drive a toothed plate and a connecting plate to integrally move backwards, so that a gear rotates, a mounting shaft synchronously rotates to drive the pushing plate to deflect upwards, and then a fixed sliding rod at the top of the pushing plate pushe