Spirit Boards!

Known more popularly by the brand name of Quija board, spirit boards let a group of people communicate with the dead, maybe!

To use:
The area must be dimly lit.
At least 2 active people must be standing around it.

Letters can be selected by either the live players or by ghosts.

"Are you moving it??"
"No way, man!!"

http://i.imgur.com/9IEpf2u.png