%0 Journal Article %T Exercises and Didactic Games for Mental Development of Junior Schoolchildren %A Savostyanov, A.. %K analysis, comparison, abstraction, differentiation, objects size, shape and color recognition, spatial and logical reasoning, attentiveness and keenness of observation, memory improvement. %J Primary Education %D 2014 %N 2 %P 4 %I INFRA-M Academic Publishing LLC.