I can give you my experience after takedown but of course you know we are all different.
Takedown for me was very easy. Especially compared to my first surgery. I was in the OR for 30 minutes and came out of the anesthesia quickly. I only had some minor pain from the stoma site being closed up. I don't recall what they have me on for pain medication but it was sufficient. My bowels woke up the next day after surgery and I was using the bathroom. They put me on a soft diet at that point. I was sent home on the 4th day. I was going about 10x a day at first. Then about three weeks later I was down to 4-6x a day and that's where I have stayed (5 years now).
I kept foods bland for about three weeks then I started eating normal again. (Whatever I was preparing for my family I was eating).
My surgeon loosely sutured my stoma site closed so I didn't have an open hole. It seems it's the surgeons preference or how they were trained how they do it.
My two kids were young at the time of my surgeries but I fared just fine caring for them afterwards. Perhaps your older children can lend a hand with the younger ones.
Good luck.....I hope it goes just as smoothly for you!