3 Droid Assistant cards were offered during the original Kickstarter project as stretch goals, each being unlocked one at a time. After the Kickstarter, the droids are available to buy for an additional $2. Droids generally help you along the way but with a potential downside if they malfunction! They add an interesting "third character" to any Twin Stars scenario, giving you something else to think about and manage. The series I droids are: - C.R.A.N.K. - MC-CY (Mickey) - Domino 2-5 The droid assistant cards are "half-sized" cards, measuring at: 2.5" x 1.75" or 63mm x 44mm.