SPOILER ALERT: This story contains big spoilers for Stranger Things 3, so read no further if you haven't finished the season. The kids might call their Upside Down monster the Mind Flayer ...

With season 3 of Stranger Things hitting Netflix on July 4th, the amazing Lego Stranger Things: The Upside Down set is going to be an essential for fans of the series. It depicts the Byers' house ...