This Batman Symbol Projector Pen is a mini version of the spotlight on top of GCPD. This one is portable and it writes!
It comes with the required 4 1.5V batteries and the Batman Symbol Projector Pen has a 1MM point. It projects the black and yellow Batman symbol wherever you point it. Now you can call on Batman at any time, no matter where you are.
This pen makes a cool gift. It is just $4.99 from Superherostuff.com.