Bally Pinball Machine - 1977 - Bobby Orr Power Play - Featuring Booby Orr of The Chicago Blackhawks - There were 13,750 units of the Bobby Orr machine produced beginning in 1978, in which Bobby Orr's Chicago Blackhawks take on ... well, "Canada" in a hockey showdown. There are Indian heads on the sides, skates and random hockey terms like "slap shot" in the scoring area.