Forecast Model

This represents the expected annual growth (CAGR) based on a forecast model only.
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. While Feeser ’s project used entirely green leaves, LEGO has included an entire second set of leaves in autumn colors, including flame-yellowish-orange leaves

While the MSRP is $249.99, the current average price on the secondary markets is around $236. The set is estimated to retire sometime within mid to late 2022. Once retired, the expected annual growth will be close to 5% after the second year, which will value the set between $299 and $315 shortly after it is retired.
Retirement risk Retirement risk. Treehouse has a current lifespan of 39 months, based on the average lifespan of other sets in this theme, which is 17 months, this set is at risk for retiring in the coming months.

For Sale (New/Sealed)

This chart shows the sales listing trends of 21318 Treehouse.
(BG) Brand new & factory sealed
(US) Ideas Tree House Set 21318 - 100% Verified Authentic and New
BrickEconomy Choice
(US) Ideas Tree House 21318 Build and Display (3036 Pieces)
(US) Ideas Tree House 21318
(US) IDEAS (21318) Tree House - 3036 pcs - 16+ - Hard To Find! - Creased Box
(US) IDEAS [21318] Tree House (Hard to Find) Brand New
(US) Ideas 21318 Tree House 3036 Piece Block Building Set with 4 Minifigures
(US) LEGO Ideas - Tree House 21318 [New Toy] Brick
(US) Ideas Tree House (21318) - 3036 Pieces NEW-SEALED BOX!
(DE) Ideas 21318 Baumhaus - NEU & OVP - Ideas #026 New Treehouse
(US) Offical set 21318 Ideas Treehouse at
(US) Ideas Tree House (21318) - 3036 Pieces. New inbox. Box is sealed.
(US) Ideas - 21318 Tree House - New Factory Sealed in Box
(US) Ideas 21318 Tree House Building Kit (3,036 Pieces)
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Sets in Ideas

Theme / Subtheme Ideas / Licensed
Year 2019
Pieces / Minifigs 1,070 / 7
Availability Limited retail (Retiring soon)
21319 LEGO Ideas Central Perk
Retail $59.99
Available at retail
Retiring soon
Theme Ideas
Year 2019
Pieces / Minifigs 910 / 2
Availability Retired
21320 LEGO Ideas Dinosaur Fossils
Retail $59.99
Value $71.49
Growth 19.2%
Annual growth 28.2%
Theme / Subtheme Ideas / Licensed
Year 2019
Pieces / Minifigs 751 / 2
Availability Retired
21317 LEGO Ideas Steamboat Willie
Retail $89.99
Value $115.41
Growth 28.2%
Annual growth 14.4%
Theme / Subtheme Ideas / Licensed
Year 2019
Pieces / Minifigs 748 / 4
Availability Retired
21316 LEGO Ideas The Flintstones
Retail $59.99
Value $74.97
Growth 25.0%
Annual growth 13.7%
Theme Ideas
Year 2019
Pieces / Minifigs 154 / 1
Availability Retired
40335 LEGO Ideas Space Rocket Ride
Retail $12.99
Value $32.95
Growth 153.7%
Annual growth 34.4%
Build, display and play with this intricately detailed, 3,036-piece LEGO® Ideas 21318 Tree House playset. A complex build for experienced LEGO builders that all the family will love to play with, it features a landscape base and 3 LEGO tree house cabins—a main bedroom, bathroom and kids’ room.

The tree has interchangeable sets of green summer leaf elements and yellow and brown fall leaf elements—these and various plant elements on the base are all made from sustainable-plant-based polyethylene plastic—and the treetop and cabin roofs are removable to allow easy access.

The model is packed with play-inspiring features including a buildable picnic table and seats, swing, bonfire, treasure map and hidden gem element to play out a treasure hunt, and a wind-up crane on the balcony of the bedroom cabin. A great birthday gift, this unique creative toy comes with mom, dad and kids minifigures, plus a bird figure, to role-play fun family scenes. It also includes a booklet with...
Description provided by LEGO©