It would help if we knew ages of the children, but I can tell you where my kids have enjoyed:
- Joe's Crab Shack (servers all dance, it's loud, playground while waiting, decent prices)
- NBACity - 3DSs LOVE this place! Old NBA games shown on lots of screens, basketball games to play ($), NBA player handprints on balls - you measure your hand (CityWalk @ Universal)
- Margaritaville - tropical fun (CityWalk @ Universal) Parrothead mask menus for kids!
- Kobe - habachi set into table and the chef cooks right in front of you (makes a volcano with onion, etc.) Good prices if you go early
- Ale House - not too much for kids, but great prices (we're a family of 5), really good food, sports on many TVs, etc.
- Hard Rock Cafe - largest HRC - lots to look at and reasonable prices. DS13 collects drum sticks at every HRC and DS11 collects the "city" T-shirts. They have a club (All Access) you can join ($25) you get a $20 coupon, pins, a sling bag, priority seating and earn points when you use the card. For every 200 points ($200) you get a $20 credit - you also get $10 credit on your b-day. It's worked well for our family and you only pay once (not yearly). (CityWalk @ Universal)
I also highly recommend the Outta Contol Magic Show at Wonderworks - hilarious magic show, all the pizza/soda/beer/wine/popcorn you can eat/drink - we ordered tickets using Mousesaver's link to Ticketmania and also got passes into Wonderworks (like DisneyQuest) - about $20 adult, $15 kids! A great value for an evening's entertainment! This is close to Sea World.
Bahama Breeze is fun - but not cheap and we had a long wait. Join the Safari Club at Rainforest Cafe - priority seating, free appetizer and I think a discount. We aslo hit Taco Bell one night and fed our family (5 people) for $25 which gave our wallet a break!!
There are so many wonderful places to eat in Orlando!! We usually do 1 dinner at a Disney resort on a non-park day - expensive but worh it!