"Well lets try something cheaper first. Why don't we start with one of these basic Communications Lacrima Crystals?"
Ciskel held up a fist sized sphere. It looked like it contained thick green smoke that swirled around.
He drew a second one from the bag and put it on the table next to it.

He activated them and the smoke quickly became thinner. Images became visible and you could faintly hear sound coming from them.