I never knew a child of her age with so few questions.

What she needs is other children of her own age.

The house, however, may be too much for children of all ages.

What any other child of his age wouldn't think to question, he knows the answers to!

In addition there are play areas for children of all ages.

The first children of my age that I knew were in kindergarten.

But that was too much for a child of his age to grasp just now.

And never being exposed to contact with children of his own age?

Get him off the topic and he sounds like any other child of his age.

There are three levels; Level 1 measures performance of primary age children.