This article describes a custom creation, custom theme, or other fan material, made by a Brickipedia contributor. It has never been, is not, and will not be officially released.
Finn Army is a LEGO theme based on the hit television of the same name. LEGO announced at the 2017 New York Toy Fair that they had gained the rights to produce Finn Army sets.
- Roberto's Outpost Attack: Evil Storbert is out to steal the Grindstone at Roberto's Outpost. Minifigures include Finn, Edwin, Doctor Roberto, and Storbert. Released August 1, 2017.
- Gnat Mobile Rescue: Storbert is at it again and it is up to Finn and Revere to stop him with the Gnat Mobile. Includes Finn, Revere, and Storbert. Released July 27, 2017.
- Honda Teleporter: Based on Finn Army: Otherworld, the Teleporter will reveal a version of Finn you have never before seen seen! Includes Finn and Hazmat Finn. Releases February 21, 2018.
- Thrash Truck: Captain Fins and Robert Man are ready for combat and strike back with a stud launcher, but make sure they keep an eyeball on the precious Grindstone! Includes Captain Fins and Robert Man. Releases February 25, 2018.
- Tank Attack: Revere is all dressed and ready for a deadly showdown with Storbert's tank. Unleash a circular calamity in Old York with the stud bombards. Includes Revere and Herbert Storbert. Releases March 11, 2018.
- Sport Resort: Build the best party Old York has ever seen with a lot of quirky pieces, including a tropical bar with a zany idol and a lot more. Includes, Finn, Revere, Doctor Roberto, Storbert, and four random citizens.
- Doctor Roberto Kart Builder Kit: There is no telling where Doctor Roberto will zoom off to in his building race car driver, but the flag on the back will let everyone know he is coming! Includes Doctor Roberto. Releases June 1, 2018.
- Terrible Teammates: It is a generic day in Old York until Finn misfires while testing out his destructive new stud launcher, destroying the front of Edwin's home! Includes Finn, Edwin, and Mew. Releases August 13, 2018.