Pipsticks is a fun subscription that sends a monthly collection of stickers in various colors, shapes, sizes, and textures. I absolutely LOVED collecting stickers when I was a kid and most definitely would have bugged the crap out of my mom to subscribe to this if it were around back then.
Pipsticks has two subscription options to choose from: Sticker Club and Family Club. The Sticker Club is $15/month and includes at least 15 sheets of stickers as well as a few “crafty additions” (paper, postcards, etc). The Family Club is $35/month and includes at least 45 sheets of stickers and even more crafty extras. US shipping is free for both plans; $3 extra to ship worldwide.
They also offer gift options as well as a one time “Taster Pack” to try a pack without a monthly commitment.