Popsugar Parenting Christmas Lego Advent Calendars For Kids | Holiday 2019 Lego Advent Calendars Always Sell Out — See 2019's Options Before It’s Too Late 2 October 2019 by Alessia Santoro View On One Page Photo 3 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Lego Harry Potter 2019 Advent Calendar The Lego Harry Potter 2019 Advent Calendar ($) has 305 pieces and is aimed at kids ages 7 and up. Previous Next Start Slideshow ChristmasBest Of 2019Holiday For KidsAdvent CalendarsToysShoppableHarry PotterLegoStar WarsHoliday