Caliber Stylus Pen

In your next technology fair, showcase what a fine blend of technological and mechanical devices look like with this Caliber Stylus pen. This pen functions via twist action that reveals the pen below while its stylus is located on top. This pen could also be designed with engraved imprints into which bright LED lights are integrated to shine through the engraving to give a superb design. The light in this pen can be easily controlled with a switch to turn it on/off. The lights and the entire pen are powered with button cell batteries.