Mark's arguments seem right on. It might have been a nuisance to kids trying to carry around these large un-stackable pieces, and kids did carry cards around for trade and other reasons. When I was growing up there were all kinds of large odd-ball issues that no one I knew ever collected. It was 1987 Topps all day.
I was forced shoe-fly pie at a very young age, and swore off molasses for good. I ate a molasses cookie a few years ago which reminded me why I don't eat molasses. I will try See's molasses because I trust you Mark.
What are the "Educational Picture Caramels"? They appear to show Baseball too? Also, I'm missing the Darby ad... And what's up with the Duche Stick??