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Mia's Summer Heart Box

Snapshot

vs RRP
10% under
Per piece
6.2¢

Value per piece

cost per part at each reference

6.2¢lowest market value

about 34% under retail, which runs ~9.4¢ a piece

Reference

MSRP9.4¢
Used market6.2¢
New market8.5¢
Set Retired

Mia's Summer Heart Box

Reference
41388-1
Theme
Friends
Year
2019
Parts
85

Mia's Summer Heart Box is a LEGO set from the LEGO Friends theme released in 2019. It is built from 85 pieces.

New avg$7.19Used avg$5.29MSRP$7.99

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

See full valuation & price history →Track its value free →
Value historytracking since Jul 29, 2026

Currently $7.19 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 (47)

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

Brick 1 x 12×Brick 1 x 23×Brick 1 x 62×Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]4×Plate 6 x 61×Plate Round Corner 3 x 34×Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)1×Plate Special 2 x 2 with Groove and Center Stud (Jumper)2×Tile 1 x 2 with Groove1×Tile 2 x 4 with Groove6×Tile Round 1 x 1 Quarter8×Equipment Shovel [Rounded Handle End]1×Minidoll Hips and Shorts with Light Nougat Legs and Dark Azure Laced ShoesPhoto shows a different color. This lot is Dark Purple.1×Tile 2 x 4 with Medium Azure "Mia" on Throw-rug printPhoto shows a different color. This lot is Dark Purple.1×View all 47 →