 	
 	public func stagger(offset: CFTimeInterval) -> Timeline {
 		for (idx, tween) in tweens.enumerate() {
-			tween.startTime = offset * CFTimeInterval(idx)
+			tween.startTime = tween.delay + offset * CFTimeInterval(idx)
 		}
 		return self
 	}

		
		// if animation doesn't repeat forever, cap elapsed time to endTime
		if !repeatForever {
			elapsed = min(elapsed, endTime)
		}
		
		// check for callbacks

		updateBlock?(self)
		
		// make sure we don't consider timeline done if we currently don't have any tweens playing
		done = (elapsed <= delay || elapsed >= (delay + endTime))
		if done {
			return completed()
		}
