M and S both wanted t-shirts. M wanted a cat - surprise, surprise. And S wanted a shirt "just like M". M wanted little paw-prints as if the cat had walked over the shirt, but this was a bit sophisticated for her brother. I took pics of the whole process that you can see in
this flickr set, but here are some highlights:
Just starting:

Then we made the stamps from sheets of craft foam and drawer / cupboard handles:

We have used the others just as stamps, but only the paw-print was for the T-shirts.
Finally, we STAMPED!

and stamped...

Until we got this...

and this...

Hooray!