The scope of the study.1. the content of education about the nature of the circle puzzle, where they formed the circle puzzle and the concept of the circle puzzle.2. May 15, 2014 – September 8, 2014.
The scope of the study content, study about 1 . Characteristics of circle puzzle, the place that is three-dimensional and the concept of the three-dimensional 2. 15 May 2557 - 8 September 2557