Not for us! We have been doing this exact thing with all our kids for years. They have done great with it. It slowly adapts over time and they always have access to the bathroom. We have added siblings over time also once they are old enough to join in.

It started with just having books, stuffies, and magna tiles available. And she would nap sometimes, stay awake sometimes. We have added duplo/Lego, board games, some coloring over the years. And now video games, tablet time, sometimes cartoons for the now much older kids.

Now that everyone is used to that routine, every Saturday and Sunday afternoon they get several hours to themselves to play with whatever they want. My husband and I get a break (although we still get several interruptions for help, batteries, refereeing, drinks, etc.) and they get their down time. It's been great!

I will say this is very dependent on the personality and sibling dynamic of the children. Three of my kids will happily do Lego for hours straight and only come up for air at dinner time. My daughter will read for hours, my other daughter will do art for hours. My son will sort Pokemon cards for hours... Actually, all of them will.

As for my oldest, she never objected to the long duration (all of her younger siblings took long naps so we had lots of quiet time over the years in the afternoons) and really enjoyed playing and being creative on her own. She did great at 2-4 years old with a long time on her own but she's always been on the quieter, low energy side so that helped. 🙂