Fun wiggle pen, a POGO Mad product brought to you from the house of Mitashi. One, who loves to wiggle all the way as you write. Have fun & create funky writing in different formats.It comes with two florescent color gel pen & a Black light. The writing & designs you create with this fun wriggle pen will glow like a neon light as soon as you flash the black light on it. (Black light included). This battery operated wiggle pen is lot more then just writing or drawing. Gift one to your kids & see how creative they can become with this shaky vibrating pen.