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This light is design for children.It looks like a chinese traditional toy.Children can put each donut light on
the stick or on their wrist. It is a toy at day,but a light at night.The donut light can accompany children and light their way.When children got up at night want to go to restroom without bothering other
people in their family.
National Cheng Kung university
Tai-nan, Taiwan
Ding-Bang Lu
National Cheng Kung university
Tai-nan, Taiwan
Chou,I-Chun
Pong,Wei-Yi
