Opening the box of a new LEGO set is a cultural touchstone in countries all over the world. In that moment, an adventure lies before every child, every parent and every grown-up finding that old inspirations can become new again. A challenge, a puzzle, a chance to bond with friends and family, a forum for all the imagination that might otherwise just fly out of our heads and into the ether: the LEGO System in Play is all of these and more. In this Official Collector’s Edition, created with loads of access from the LEGO Group, Newsweek explores the greatest playsets and builds in history and reveals that perhaps the best is still yet to come.