It was an interesting change, but not necessary for any reason I can think of.

Our relationship has made interesting changes in both of us.

The range of material available made for interesting changes in pace.

I agree there has been an interesting change on this issue, although I'd guess only in the past year or so.

Spending five minutes as a newt would be an interesting change for most of them.

You made a very interesting change from the book that I thought in a way improved it.

As regards the rights of family, there are some very interesting changes in this area.

We consider that the chosen proposal was an interesting change in the approach.

A live model might be an interesting change for my work.

"I thought it would be an interesting change of pace."