Control when children can play the game. For the day, which did not play. Play no more than a few hours at a time, from what time to what time before play was liable to do so successfully.
Control the time children can play on any player not playing any time not more than a few hours. From time to time Players are responsible before Anything done before
Control the time that children can play the game in one day. One day play. Play times, each no more than a few hours, since any time to any time before playing responsibility. Do done first.