LEGO 70357 Knighton Castle is a Nexo Knights set valued at $299 for new and sealed sets, up 130% from an original retail price of $129.99. The set retired in August 2018 with annual appreciation averaging 7.71% since. On the used market, values range from $114 to $158 based on condition. Secondary market prices for new and sealed sets typically fall between $282 and $317.
LEGO 70357 Knighton Castle is a Nexo Knights Season 4 set released in 2017, containing 1426 pieces and 11 minifigures. It builds a reconfigurable 2-in-1 fortress with foldable walls, living quarters, a detachable tower, and a removable Rumble Rocket transporter. Play features include Robin’s vehicle with two stud shooters, a rolling stone prison, a Mechlok suit with a wizard’s hat, and six scannable NEXO Power shields. Named characters include Aaron, Macy, Clay Moorington, Jestro, and a Lava Monster.
A new and sealed Knighton Castle is currently valued at around $299, with annual growth of approximately 5%, which is lower than other Season 4 sets. The average used price is $132 for those in good overall condition. The 11 included minifigs account for approximately 44% of the set's total value. New and sealed listings currently range from $268 to $400. The set was available for 12 months, from August 2017 to August 2018.