I've recently been doing something new with my toddlers to make sure I have as little hassle as possible. Once I start the game, I immediately have them play in the ball pit as many times as possible in a row. They get to movement level 4 by the end of it and can fully run, meaning they can get to where they need to go faster. Then just have a parent potty train them about 3-4 times in a row and they should be able to handle that on their own too. From there, I usually don't have that many issues. :)