Abstract
The purpose of this study was to determine the effect of using recycled puzzle educational aids on the cognitive development of children in Citra Kindergarten, Makassar City. the type of research is pre-experimental and the research design is one group pretest-posttest design. The research approach used is a quantitative approach. The population in this study was group B at the age of 5-6 years at Citra Kindergarten in Makassar City. Sampling in this study is random sampling. The sample in this study were 12 students. Data collection techniques used are descriptive statistical analysis and parametric statistical analysis. The results of the analysis obtained data that there were significant changes in the cognitive development of children before and after being given the activity of arranging pieces. Based on the paired sample test, it can be concluded that there is an effect of using recycled puzzle educational teaching aids on the cognitive development of children in Citra Kindergarten, Makassar City. This can be seen from the results of the pre-test and post-test which significantly increased after being given treatment.
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