Flip•O•Vision was a 1949 Topps set of flip books that make a mini movie. Out of the packs the books were 30 pages folded like an accordion. The pages had to be separated and then bound together with string or thread to be used as a flip movie. The subjects featured are various celebrities performing their craft. Size: 1 7⁄8 × 4 inches [wiki]
HAPPY BIRTHDAY CHICO!!!
but you already saw this, cause you follow our sister site, right??
Perlorian Cats Stickers!!!!
This 56 card set features cats in human clothing performing human activities. The whole set is stickers except for one title card. The stickers are of two types: one is rectangular color pictures with rounded edges of which there are 42 and the second type is smaller color photos set on solid color, irregular shaped backgrounds of which there are 13. The backs of the cards are puzzle pieces that combine to form one of 4 different pictures. Size: 2.5 × 3.5 inches [wiki]
see also The Worst Trading Cards Ever Created: Part 2!, although these are the besssssttttt!!!!