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The Modern Treehouse

Snapshot

vs RRP
12% under
Per piece
6.1¢

Value per piece

cost per part at each reference

6.1¢lowest market value

about 54% under retail, which runs ~13¢ a piece

Reference

MSRP13¢
Used market6.1¢
New market12¢

Where to buy new

  • Amazonout of stock$161.99
  • Walmartout of stock$179.86

New at retail · MSRP $119.99 · via BrickPicker

Set Retired

The Modern Treehouse

Reference
21174-1
Theme
Minecraft
Year
2021
Parts
909

The Modern Treehouse is a LEGO set from the LEGO Minecraft theme released in 2021. The set contains 909 parts.

New avg$105.00Used avg$55.00MSRP$119.99

Avg. 3rd-party market prices via BrickPicker, not CollectORbuild seller prices

See full valuation & price history →Track its value free →
Value historytracking since Jul 27, 2026

Currently $105.00 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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Parts in this set (197)

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A peek at the pile. See the full list, grouped by color, on the parts page.

Hips and Black Legs1×Plate 1 x 12×Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening)11×Technic Axle 121×Technic Axle 45×Technic Brick 1 x 14 [13 Pin Holes]2×Technic Brick 6 x 8 with 4 x 6 Opening5×Technic Pin with Friction Ridges Lengthwise with No Center Slots58×Brick 1 x 12×Plate 2 x 41×Plate 6 x 82×Technic Pin Long with Friction Ridges Lengthwise, 1 Center Slot2×Tile 2 x 4 with Groove1×Plate 1 x 2Photo shows a different color. This lot is Bright Green.1×View all 197 →