Feature: More balance, good spinning, cool design, good choice for entertainment This pen is perfect for office staff and students and good for thinking,learning,anxiety and can be used as a pen for writing Smart design and good for holding. Its a fantastic gift for office guys and students
How to use the light pen: counterclockwise rotation of the light head cover Jiang resistance piece out, and then Jiang tighten the light head cover, so that the colorful lights are on. Do not play on the Jiang head cover screw loose, the resistor piece inserted, the light will not always light. Both ends of the pen are equipped with colorful lights, the color is blue, pink, red, alternating light color every 2-3 seconds. Turn the pen can turn out more gorgeous moves, dark places use the pen colorful light effect is better.
Specification: Material: Plastic Light color: Random Size: About 23.7cm Quantity: 1