LEGO 75810 The Upside Down is a Stranger Things set valued at $778 for new and sealed sets, up 289% from an original retail price of $199.99. The set retired in January 2022 with annual appreciation averaging 34.40% since. Used copies are valued between $279 and $359 depending on condition. Secondary market prices for new and sealed sets typically fall between $707 and $900.
LEGO set 75810, The Upside Down, is a 2,287 piece Stranger Things exclusive set with 8 minifigures released in 2019 about the Netflix original series Stranger Things which premiered in 2016. The set depicts the Byer's house as well as the iconic Upside Down, and Chief Hopper's police cruiser. There is also a minifigure stand with the title of the show on it, to display the included minifgures of Will Byers, Mike Wheeler, Lucas Sinclair, Dustin Henderson, Eleven, Joyce Byers, Chief Jim Hopper, and the Demogorgon. The entire set can be flipped upside down, depending on if you want to show the Byer's house or the Upside Down version of the house.
A new and sealed The Upside Down is currently valued at around $778, with annual growth of about 23.0% that is expected to level off to around 12.2% in the coming year, making it a solid investment. The average used price is $299 for those in good overall condition. The 8 included minifigs account for approximately 57% of the set's total value. New and sealed listings currently range from $701 to $849. The set was available for 31 months, from June 2019 to January 2022.