Two very special circles are on the floor:

Very special because they can get bigger or smaller - as you
like.
So you might like them to be like this:

Maybe you like things small - so you would have:

I'd like the blue one to grow:

Whoa! That looks different.
The Red is inside the Blue.
So the Red and the Blue can grow - just as you like.
We've seen the Red INSIDE the Blue.
Can we change things so that we might use other words like:
TOUCHING?
OVERLAPPING?
OUTSIDE?
Have a go. Send us some pictures of what you do - we'd love to see
them.
If you enjoyed this problem, you might like to try
3 Rings .