In order to understand the manner to develop what type of teaching material from wooden puzzle by combining the aspect of "easy to understand models" and "fun to assemble" for learning how to measure volume, this paper discuss about what is variable that impact to different degree of assembly difficulty in cube puzzle. The experiment is conducted by 3 characters of cube puzzle which have different condition such a picture print, many color, and no image or color. All puzzles were composed by third and sixth grade student. Each experiment spent 15 min for observation. It was designed for 2 times for observation and each time students experienced the different sizes to evaluate for difficult assembly. The result showed that the easiest in degree of assembly difficulty due to the large size. Further, since students found assembly difficult for shapes with deep joints, we notice that the color provided a helpful hint when selecting joints.
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