21318 Treehouse is a 3,036 piece Ideas set released in 2019.
This set, which was originally submitted by Kevin Feeser (a.k.a. KevinTreeHouse in October 2017), and was reworked to be an official LEGO set by LEGO Designer César Soares.
It features a landscape base and 3 LEGO tree house cabins—a main bedroom, bathroom and kids’ room.
