“The current research aims to identify the effectiveness of using the problem-based Wheatley model in developing scientific thinking skills among a sample of(30) children from the second level of kindergarten, and a program has been prepared based on the use of the problem-based Wheatley model in developing thinking skills. The scientific thinking skills of the kindergarten child, and the researcher used the experimental method, and to collect the data for the research, the researcher used a test of the scientific thinking skills of the kindergarten child(prepared by the researcher), One of the most important results was that there were statistically significant differences between the mean scores of the experimental group members(males / females) between the two applications, the pre and post applications in favor of the post application. The Wheatley model is effective in developing the scientific thinking skills of the kindergarten child. The problem is in the educational process in general, and in kindergarten curricula in particular, because of its positive impact on improving the level of performance of children.