Quoted from Rager170:If you qualified 4 kids and then drained, you would need to qualify another new kid, hit the captive ball and they should all come back. Then collect them at the target for kid multiball.
I don't believe this is how it works. If you start kid multiball with 4 kids and drain, when you are done, those 4 kids will be grey. If you add the last kid, then start kid multiball, it will be for just 1 kid, not the 1 plus the 4. When you are done, you will be able to start adding kids again. But I believe you have to finish all 5 kids to add the completed ones back. Hopefully that makes sense.