Straw Pen / pen

The creative of the Straw Pen is based on the straws that can be seen easily in our daily life. An LED lamp is stalled on one port of the pen, so does a reserve power electronics which can reserve power by twisting the pen. The length of the pen can be adapted by rotating it. The lamp is turned on by twisting while turned off by twisting straight.
The pen can be used for writing at night or looking for something, moreover, it can be used as sticks at concerts.