One of the important directions of school psychologist work with children is cognitive area development. Development problem, correction and improvement of learners’ intellect abilities are one of the most important in psychological-pedagogic practice. It is fairly considered that its main way of solution is rational organization of all the educational process. Specially organized game training of thinking can be considered as a supplementary. The paper presents a research of primary school children including different methods such as E. Lan dolt rings, Raven matrix, Rubiks cube. Children from the 1^st to the 4^th grade at the age of 7 to 11, total number 80, participated in the research. The research was conducted on the basis of school No. 6 (Aktau city, Kazakhstan). The conclusion was made that those children with low results have weakly developed image-efficient thinking. Children with average results have demonstrated visual-efficient thinking as average developed. And children with high results have demonstrated high developed visual-efficient thinking. Important psychic functions for primary school children are perception, memory and imagination, but of course the most important at this age is thinking development. None of the psychic functions can be developed without thinking.