In this manuscript there a new method that possesses an element of early development of children is introduced. In this case the “game”, that learn pupils of primary school to perform the laboratory work, is suggested. The primary school students are acquainted with the aim of experiments, the order of their performing and the results description. There have performed several examinations of the after performing the laboratory work. Thus, the good development results were achieved. Primary science education in Lithuania is compared with primary education in Sweden.