Magazine Gift is a subtheme of Hidden Side that consists of 9 sets that ran from 2019 to 2020. Most sets were released in 2020 which accounted for 6 sets. As of today, the average annual growth of all the sets in Hidden Side Magazine Gift is around 4.2% per year.
The LEGO Hidden Side theme was introduced in the summer of 2019 that was tech influenced and included a storyline and an app game (Apple App Store and Google Play). The theme is focused around the haunted town of Newbury and is designed with an augmented reality (AR) app, allowing users to capture ghosts while solving mysteries within the spooky town.
From the LEGO official description: "Forget what you know – you’ve never experienced LEGO© play like this before. Your phone opens the door to a virtual hidden world where your LEGO© sets come alive in an unfolding ghostly adventure. Solve the mysteries haunting the town of Newbury before it’s too late."