Each park was represented by an animal, When families visited multiple parks and received a sticker at each, their windshields displayed pictures of many different animals and the term "zoo windshield" was coined.
As you can see, after visiting several parks, the stickers became a safety hazard! In 1923 the stickers were reduced from the 5 inch ones you see above down two 4 inches. However, they were so popular that their sized was again reduced the next year in 1924 and they went down to 3 inches. In 1930 they were reduced a final time to 2.5 inches.
As you can imagine, there is a lot of history behind these stickers. We have a lot more stories to share. Check back as we will be adding more soon!
If you have any information you've researched about these stickers that you'd like to share, please contact us!