Here are two puzzles I’ve made this year for the Advent Calendar of Perplexing Doodles (Facebook, Instagram): Merry Christmath, and Christmas Deliveries (if you speak French, j’ai aussi créé deux énigmes de Noël en français).
Merry Christmath
You can check your answer on that page. Feel free to contact me if you need hints.
Christmas Deliveries
You can check your answer on that page. Feel free to contact me if you need hints.
Solving Fun 