Nascar has good beer specials that run all the time. You can pop in to the bar on the lower floor, and order a round of drinks to go. They'll pour into plastic cups and you can walk thru City Walk with them. The kids can look at the cars, or play a video game inside while you order.
At Margaritaville, they'll play in the sand and look at the huge air plane, which is also a bar you can order from.
Then as you walk into IOA, head to the right and there is the backwater bar. Suess Landing and the play ground are across from the bar, so the kids can get in line for the rides while you order.