LEGO 6093 Flying Ninja Fortress is a Castle set from 1998 valued at $647 for new and sealed sets, up 618% from an original retail price of $89.99. Annual appreciation has averaged 6.50% since release. On the used market, values range from $191 to $293 based on condition. Secondary market prices for new and sealed sets typically fall between $573 and $783. The market for it is holding level at the moment, with steady member interest.
LEGO 6093 Flying Ninja Fortress is a Castle Ninja set released in 1998, containing 694 pieces and 9 minifigures. Also known as The Fortress of the Full Moon, it depicts a Japanese-styled stronghold with grey walls, red roofs, and a large main gate. The build opens to reveal interior sections including living quarters, a jail cell, and a treasure room, and incorporates play features such as a lifting cage, a trapdoor, a breakaway wall, and a secret revolving wall. The minifigure lineup includes four Ninjas (two red, two gray), two Samurai, two Shogun Guards, and a skeleton, with named characters such as Bonsai, Ito, Kata, Gi-Dan, and the Robber Chief.
A new and sealed Flying Ninja Fortress is currently valued at around $647, with annual growth of approximately 4%, which is lower than other Ninja sets. The average used price is $244 for those in good overall condition. New and sealed listings currently range from $625 to $950. Based on current trends, this set could be valued near $685 within the next year.