Snapshot
- vs RRP
- 18% under
- Per piece
- 4.8¢
Value per piece
cost per part at each reference
4.8¢lowest market value
about 42% under retail, which runs ~8.2¢ a piece
Reference
MSRP8.2¢
Used market4.8¢
New market6.8¢
Where to buy new
- AmazonLowest$238.95
- Walmartout of stock$249.97
- Barnes & Nobleout of stock$249.99
New at retail · MSRP $249.99 · via BrickPicker
Set Retired
Tree House
- Reference
- 21318-1
- Theme
- LEGO Ideas and CUUSOO
- Year
- 2019
- Parts
- 3,037
The LEGO Ideas Tree House is a charming fan-designed build with a twist: its leaves come in both summer green and autumn brown so you can change the seasons, and the foliage elements are made from sustainable plant-based plastic.
It is loved for its botanical detail. Compare prices across sellers on CollectORbuild to find it, or source its distinctive plant elements.
New avg$205.00Used avg$145.02MSRP$249.99
Avg. 3rd-party market prices via BrickPicker, not CollectORbuild seller prices
Value historytracking since Jul 29, 2026
Currently $205.00 new. We just started tracking this set’s value. The chart fills in as prices are re-checked over the coming weeks.
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