I don't know how old your children are, but most I know love the Tastee at first bite. One reason is the atmosphere: It's teeny, and almost every booth gives a good look at the action on the grill and kitchen. Obviously the view is better at the counter.

And speaking of whirling....I'll understand if you don't want to let them up on those stools at the counter - - - I used to drive my parents crazy by spinning around and around and around and around. That was more than 40 years ago, but I can still remember that dizzy feeling.
Of course, 40 years ago there were only two or three places in bethesda where you could sit down and eat when the movies let out after 9. The Tastee was one, of course. What a contrast to today.

The OP may find more places at bethesda backfence.
http://www.backfence.com/home/index.cfm?mycomm=BE

(edited to add link)