If you're between the ages of 13-24, then you can get a new sheet of free stickers from Peta2. Just copy and paste this link to pull up the signup form:
https://yoursign.peta2.com/#free-cards
Manifest a kinder world for animals with these limited-edition peta2 oracle cards, stickers, and other cosmic surprises! Open to residents of the U.S. and Canada between the ages of 13 and 24. While supplies last.
In addition to these new sticker, the older stickers at the link below are also still available.
These free PETA kids stickers from the previous summer are still available if you originally missed out. For some reason, you must copy & paste the link into your browser in order to make the request form appear.
https://www.petakids.com/spotlight/free-peta-kids-stickers/