Open one door each day to reveal a new building set, including Christmas trees, Santa Claus, snowmen, penguins, reindeer, Christmas gifts, elves, and other festive holiday figures, creating a magical Christmas collection Easy to Use:These Christmas building blocks are made with premium ABS material, featuring smooth edges, bright colors.Each piece is designed for easy connection and stable assembly, providing a safe and enjoyable building experience for kids and Christmas lovers 24-Day Christmas Countdown:This Xmas building bricks toys includes individually numbered compartments, making it easy for kids to discover a new surprise piece each day and count down from December 1st to Christmas Day. Christmas Advent Calendar:Celebrate the countdown to Christmas 2026 with this fun building block advent calendar. The simple assembly design allows them to build independently while enjoying daily holiday surprises Educational & Creative:This Christmas advent calendar building blocks combines holiday excitement with hands-on learning.