LEGO 791901 Jack is a Hidden Side set currently valued at $3 for new and sealed sets. The set retired in November 2019 with annual appreciation averaging 2.28% since. On the used market, values range from $1 to $2 based on condition. Secondary market prices for new and sealed sets typically fall between $2 and $4.
LEGO 791901 Jack is a Hidden Side Magazine Gifts promotional set released in 2019, containing 4 pieces and 1 minifigure. It was distributed as a cover-mounted gift with the LEGO Hidden Side magazine, 2019 Issue 1. The set includes the theme’s main character, Jack Davids. With a minimal part count, it serves primarily as a character pack rather than a build-focused set.
A new and sealed Jack is currently valued at around $3, with annual growth of approximately 2%, which is lower than other Magazine Gifts sets. The average used price is $1 for those in good overall condition. The 1 included minifig account for approximately 78% of the set's total value. New and sealed listings currently range from $3 to $4.