My MIL always sent Hubby an advent calendar when we still lived in London. So our first year in NYC I thought I'd make him one. It was A LOT of work, but it made him happy and his face was worth ALL the effort. However, let's be clear, I am never doing it again LOL.
I used -
Sara Gleason SDS 2019 Grabbag Template
Studio Basic x Just Jaimee - Remember December Bundle
https://www.sweetshoppedesigns.com/sweetshoppe/product.php?productid=47827&cat=&page=1