All bodies become warm if the neck and the wrist are warmed, and the carbon film that generates heat with the battery is installed in the color and the cuff.Work of the third grader 2009.
2010/05/21
Neck and Cuff Heater
All bodies become warm if the neck and the wrist are warmed, and the carbon film that generates heat with the battery is installed in the color and the cuff.Work of the third grader 2009.
Lighting Note
Notebook that can write a note even in dark place. Idea to take out light of LED by fiberglass, and to make them shine in coil spring.Work of the third grader 2009.
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