I was fortunate to grow up in the 1970s, the last decade of really good Cracker Jack prizes, before those pesky "safety regulations" took effect. The best Cracker Jack prizes, though, are even older, like this one which dates from around the 1950s. The tiny paper booklet, about the size of a matchbox, separates into individual pictures, which, when connected via tabs and slots, create an astounding carnival sideshow panorama.
The assembled panorama looks like this:
Here are some closeups of the pictures. Each has a description of the performer and some interesting historical information on the back: