Oh gawd... I got sick after eating these things when I was 8 or 9 and I just found out (thanks to your picture) that I still can't think about them without getting queasy! =P
OT: I used to mix syrup and peanut butter in a bowl and eat it with a spoon, tasted good but was terrible for me, I guess it's a good thing that my friends and I rode bikes all day.... I also recognize a number of things people have already posted (Dungaroos and Lunchables were among my favorites).