LEGO 70732 City of Stiix is a Ninjago set valued at $943 for new and sealed sets, up 843% from an original retail price of $99.99. The set retired in February 2017 with annual appreciation averaging 16.30% since. Used copies are valued between $357 and $527 depending on condition. Secondary market prices for new and sealed sets typically fall between $807 and $1,066. Momentum is on the rise for this set, driven by growth that outpaces similar sets as well as thinning listings.
LEGO 70732 City of Stiix is a Ninjago Possession set released in 2015, containing 1069 pieces and 9 minifigures. It builds the City of Stiix waterfront with a dock, outpost cannon, rooftop ghost bomb shooter, a docking station, an adjustable crane with an opening prison cage, a secret mountain-wall entrance, and a hidden skeleton. Additional models include Nya’s speedboat with stud shooters and a small Ghost ship. The minifigure lineup features Kai, Jay, Nya, the Evil Green Ninja, Chain Master Wrayth, Scythe Master Ghoultar, Ghost Warrior Cyrus, and Ghost Ninja Ming, reflecting the Possession storyline involving the Scroll of Airjitzu.
A new and sealed City of Stiix is currently valued at around $943, with annual growth of about 16.3% that is expected to level off to around 13.9% in the coming year, making it a solid investment. The average used price is $401 for those in good overall condition. The 9 included minifigs account for approximately 38% of the set's total value. New and sealed listings currently range from $897 to $1,407. The set was available for 18 months, from August 2015 to February 2017.