Amazon.com: LEGO Harry Potter 2020 Advent Calendar 75981, Collectible Toys from The Hogwarts Yule Ball, Harry Potter and The Goblet of Fire and More, Great Christmas or Birthday Calendar Gift (335 Pieces) :
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Amazon.com: LEGO Star Wars 2022 Advent Calendar 75340 Building Toy Set for Kids, Boys and Girls, Ages 6+, 8 Characters and 16 Mini Builds (329 Pieces) : Toys & Games
Harry Potter Advent Calendar 2021: Afterthoughts – Blockwarts – A LEGO Harry Potter fan site
Amazon.com: LEGO Harry Potter 2022 Advent Calendar 76404 Building Toy Set and Minifigures; Countdown to Christmas for Kids, Boys and Girls Ages 7+ (334 Pieces) : Toys & Games
Star Wars and Harry Potter Advent Calendars officially revealed! | Brickset