This application is useful for knowing the development of children, especially for ages 0-24 months and knowing how to stimulate childrens development so that development runs according to the stages of their age or catching up with childrens development if the results of observations indicate that there are dubious developments or developmental deviations. The right stimulation will stimulate the toddlers brain so that the development of movement, speech and language skills, socialization and independence in toddlers takes place optimally according to the childs age. In summary, the childrens skills and intelligence will be optimal and of course the children will be smart. Hopefully this application is useful for creating smart Indonesian children.