Sundial playing and teaching aid
A technology for sundials and teaching aids, applied in the fields of playing teaching aids and children's playing teaching aids, can solve the problems of increasing children's myopia risk, suppressing children's interest in knowledge and desire to explore, etc.
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[0016] Such as figure 1 As shown, the human body sundial is used as a teaching aid, including a group of floor mats 101 laid flat on the ground; a semi-elliptical day area 102 and a night area 108 are set on the floor mats, and a circular date area 103, wherein the day area 102 and the night area 108 are symmetrical in shape to form a complete ellipse, and the date area 103 is located at the center of the ellipse formed by the daytime area 102 and the night area 108; the daytime area 102 is set in turn along the elliptical arc to mark 104 for the 12 hours of the day, and the night area 108 is along the elliptical arc The 12-hour full-point mark 104 of night is set in turn, and the full-point mark 104 of the day zone 102 and the night zone 108 forms a complete cycle of 24 hours a day; the daytime zone 102 is provided with a day indicator sign 110, and the night zone 108 is provided with a night indicator sign 116; the arc around the date area 103 is divided into four season arc...
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