These look like fun too -

I lied... this is the last one. I started by search with 'interactive books' - then 'pop-ups' to 'paper engineering...

Okay - one more... thinking of lots of ideas!!!

Wow - what a great video - check this one out at 3:30 - how cute is that!

Something like this would be great for our interactive circus book - think of the possibilities!

Still looking for more information for the fat book swap? The Smithsonian has a handout on the history of pop-ups , and don't forget to...