Building Sets by LEGO. Details:Build the excitement as the festive celebrations approach with the LEGO City Advent Calendar (60303) toy playset. Kids can count down to the big day with fun mini-builds, popular LEGO City Adventures TV series characters and cool accessories. Just fold down the snowy city play mat and the scene is set for endless imaginative adventures. This LEGO City Advent Calendar makes a great gift for children aged 5 and up. Each surprise toy comes with easy-to-follow building instructions ensuring that even new LEGO builders can enjoy a fun build-and-play experience. LEGO City Advent Calendars are packed with inspiration, festive excitement and wonderful surprises for kids who love creative play. The buildable toys, LEGO City Adventures TV series characters and accessories included in this calendar can also be combined with existing LEGO toy playsets for even more fun.