LEGO 21318 Treehouse is a Ideas set valued at $224 for new and sealed sets, down 11% from an original retail price of $249.99. The set retired in November 2024. On the used market, values range from $147 to $214 based on condition. Secondary market prices for new and sealed sets typically fall between $200 and $250. Momentum is balanced for now, as more members adding it to their lists offsets growth behind similar sets.

Treehouse Value (New/Sealed)

This chart represents the current new/sealed value of the set Treehouse since November 2024. Very high accuracy
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

A new and sealed Treehouse is currently valued at around $224. The average used price is $161 for those in good overall condition. New and sealed listings currently range from $212 to $298. If the forecast holds, a sealed copy should fetch about $235 this time next year, roughly 5% above today. The set was available for 64 months, from July 2019 to November 2024.
Collector and Investor Standing
The minifigures include a mom with freckles, a dad with stubble, a girl in a dark tan vest and a boy with glasses. Ideas is a line of fan designed sets bought mostly by adult collectors, and the theme has held its value well.
97/100
Collector
Among the most wanted
Ideas sets are bought mostly by adult collectors
67/100
Investor
Stronger than most
Ideas has held its value well

For Sale (New/Sealed)

(US) Ideas: Tree House (21318) Great for adults and kids
BrickEconomy Choice
$179.50
(US) Ideas: Tree House (21318) New, Sealed in box, Retired Set $185.00
-17.3%
(US) Ideas: Tree House (21318) New and Sealed $185.00
-17.3%
(US) Treehouse from BrickLink seller bctyer8 $185.95
-16.8%
(US) Treehouse from BrickLink seller DaltWisney $187.50
-16.1%
(US) Ideas: Tree House (21318)brand NEW $188.00
-15.9%
(US) Ideas 21318: Tree House -New -Sealed -Retired $190.00
-15.0%
(US) Ideas Tree House 3036-Piece Building Set 21318 $190.00
-15.0%
(US) Ideas: Tree House (21318) $190.00
-15.0%
(US) Treehouse from BrickLink seller kwmcmillan $190.00
-15.0%
(US) Ideas Tree House 21318 - Brand New In Factory Sealed Box $198.00
-11.4%
(US) Ideas: Tree House (21318) brand-new and unopened $199.00
-11.0%
(US) Ideas: Tree House (21318) $199.00
-11.0%
(CA) NEW LEGO 21318 IDEAS Tree House BRAND NEW Retired Sealed in Box $199.83
-10.6%
(US) Ideas Tree House 21318 New Sealed $199.99
-10.6%
(US) Ideas: Tree House (21318) $200.00
-10.6%
(US) Ideas: Tree House (21318) $200.00
-10.6%
(US) Ideas: Tree House (21318) $204.95
-8.3%
(US) Ideas 21318 Tree House Retired Set Brand New In Sealed Box $205.00
-8.3%
(US) Ideas 21318 Tree House Brand New And Sealed (Retired) Unopened $205.00
-8.3%
(US) Ideas Tree House 21318 Set - New Factory Sealed - Retired $209.95
-6.1%
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Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 21318 Treehouse.

Sale Trends

This chart shows the sales trends of new/sealed 21318 Treehouse.

Market Momentum

Neutral
Member demand is rising and listings are thinning out, but momentum is holding level for now.
DemandTop 4% in Ideas
Very high demand and rising
12 months agoToday
SupplyMore than most in Ideas
Listings steady this month
12 months agoToday
Growth vs peers+8% typical for Ideas
+3% over the past year
12 months agoToday
Outlook:5% bearish·76% neutral·19% bullish
Why it's moving, signals and outlook

Compared with other 2019 Ideas sets

Two things stand out about Treehouse. It tops the 2019 Ideas sets for piece count and includes more minifigures than most of the group.

#35 of 68 retired Ideas sets
Wanted for each member who owns it
This set
Typical
Close to the rate of retired Ideas sets.
All 2019 Ideas setsValueSince retail
21318 Treehouse$224-11%
21317 Steamboat Willie$150+67%
21316 The Flintstones$129+114%
21319 Central Perk$110+83%
21320 Dinosaur Fossils$96+61%
40335 Space Rocket Ride$34-

Sets in Ideas

21319 Central Perk

Theme / Subtheme Ideas / Licensed
Year 2019
Pieces / Minifigs 1,070 / 7
Availability Retired
21319 LEGO Ideas Central Perk
Retail $59.99
Value $110.00
Growth  +83.4%
Annual growth 16.6%

21320 Dinosaur Fossils

Theme Ideas
Year 2019
Pieces / Minifigs 910 / 2
Availability Retired
21320 LEGO Ideas Dinosaur Fossils
Retail $59.99
Value $96.40
Growth  +60.7%
Annual growth 10.4%

21317 Steamboat Willie

Theme / Subtheme Ideas / Licensed
Year 2019
Pieces / Minifigs 751 / 2
Availability Retired
21317 LEGO Ideas Steamboat Willie
Retail $89.99
Value $149.99
Growth  +66.7%
Annual growth 9.0%

21316 The Flintstones

Theme / Subtheme Ideas / Licensed
Year 2019
Pieces / Minifigs 748 / 4
Availability Retired
21316 LEGO Ideas The Flintstones
Retail $59.99
Value $128.59
Growth  +114.4%
Annual growth 14.0%

40335 Space Rocket Ride

Theme / Subtheme Ideas / Promotional
Year 2019
Pieces / Minifigs 154 / 1
Availability Retired
40335 LEGO Ideas Space Rocket Ride
Retail $12.99
Value $33.72
Growth  +159.6%
Annual growth 13.8%

Treehouse Questions

How much is the Treehouse set worth?

A new, sealed copy of Treehouse is worth about $224 today, and most sealed copies sell for between $200 and $250. A used copy in good condition goes for about $161.

Is LEGO 21318 Treehouse retired?

Yes. Treehouse left LEGO's shelves in November 2024 after a run of about 5 years. New copies now come only from the secondary market, where sellers on eBay and BrickLink set the price.

Has LEGO 21318 Treehouse increased in value?

No. Against its $249.99 retail price, Treehouse is down 11%.

What will LEGO 21318 Treehouse be worth next year?

BrickEconomy's forecast puts Treehouse near $235 in twelve months, about 5% more than today. In the short term the market reads neutral. Demand, supply and price show no clear direction. This is an estimate and markets can change.

How many pieces does LEGO 21318 Treehouse have, and which minifigures are included?

Treehouse is built from 3,036 pieces, about $0.08 each at retail. The 4 minifigures included are Boy with Glasses, Dad, Girl with Freckles and Mom. As a group the minifigures are valued at around $11, led by Mom at $2.98. None of them appears in any other set.

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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©