"A droid spy ball was a small droid that could drill through walls and bug neighboring rooms for listening. They had been known to be used in the Galactic Senate, although highly illegal."@en . "Droid spy ball/Legends"@en . "A droid spy ball was a small droid that could drill through walls and bug neighboring rooms for listening. They had been known to be used in the Galactic Senate, although highly illegal."@en . . . . .