To make this USB LED.
1. a white LED and 220 Ohms resistor.
2. get two drinking straws (or more) and insert it together (u may need to make a small cut for easily inserting).
3. solder the LED, resistor and the USB cable.
U can watch the video also.
Step 1: A Little Modifications.....
You can change this USB LED to battery powered.
The switch can be fixed on the battery holder or hide a reed switch in drinking straw and using small magnet to control on/ off.
This small Straw LED can also be used on hat design (like a snail or Anglerfish), or party purpose also.