This is a cool idea, I love the design and the art. Just flipping through the pages is fun. 

When I try to cut out a piece, it automatically switches to the collage page almost instantly after I start moving my mouse (Macbook, chrome). But I found that if I draw a very quick loop I can sometimes complete it in time, so it became a challenging fast-paced mouse circle drawing game for me, which was also fun.

Here is my masterpiece: