Never two-touch and x number of passes, got to be one or the other, at least not until 11-a-side. I used to do a lot of games where the goals were small gates that they had to complete a pass through, or a ball on a cone that they had to knock off with a pass. Gets everyone playing rather than having goalkeepers stood there doing nothing. Two-touch can be a bit limiting for them at times, especially when they're younger, so I used to give them three or five seconds to release the ball. I could count it in my head then, and be stricter with the better players, and give the weaker ones a bit of leeway without it being too obvious to them. Splitting the pitch into zones is a good one too, where say only two attackers but three defenders are allowed in the end zone, but I found they struggled with the rules on that one until they were 10/11ish.