Beach Fun on the Go!
Build Mia's Summer Heart Box!

Create a cute sandcastle with Mia and a baby turtle! Perfect for LEGO Friends fans who love imaginative play.

🏛 Friends
Set #41388

Mia's Summer Heart Box

Mia's Summer Heart Box is a delightful pocket-sized set celebrating summer fun.

🏆 Best For: Ideal for younger LEGO Friends fans and those looking for a quick, simple build. ⏱ 0.5 hr build 🧩 85 pcs 🎂 Ages 6+
★★★☆☆ 3.8

Fans appreciate the set's cute design and portability, making it a fun, affordable gift. Some note that the build is very simple and quick, geared towards younger children.

MSRP
$7.99
Best Price
$7.19
You Save
10% OFF
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📝 Our Take

Mia's Summer Heart Box is a delightful pocket-sized set celebrating summer fun. This charming set captures the essence of a beach vacation with its sandcastle build, cute turtle, and vibrant color scheme, all neatly packed in a portable heart-shaped box.

This set is perfect for young LEGO Friends fans and collectors looking for a quick, affordable build. Its compact size makes it ideal for travel and on-the-go play, while the bright colors and playful design offer instant appeal.

Skip this if you're seeking a complex or challenging building experience. For older builders or those wanting a more intricate model, consider larger LEGO Friends sets like the Friendship House (41340-1) or the Summer Fun Water Park (41430-1).

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🧱 Building Experience

🧩
85
Pieces
0.5h
Build Time
📊
Beginner
Difficulty
📏
3cm × 7cm × 7cm
Dimensions
Build Highlights:
  • Easy-to-follow instructions perfect for beginners
  • Creative use of curved tiles to shape the sandcastle
  • Clever integration of the box as part of the play scene
  • Portable design for on-the-go fun

📈 Investment Analysis

↑ Trending up since release
C+
Investment Grade
⏳ Appreciating
Mia's Summer Heart Box presents a modest investment opportunity, primarily driven by its retirement status and the enduring popularity of the LEGO Friends theme. While the piece count is low, the set's small size and affordability make it an accessible entry point for collectors. Its value is likely to appreciate gradually over time, especially if kept in pristine condition. However, potential investors should be aware that larger, more iconic Friends sets may offer higher returns.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

This LEGO® Friends 41388 Mia’s Summer Heart Box features a cute sandcastle that Mia is building for a baby turtle to play with. It comes in Mia’s colors and features a decorated name tile in the design of a beach towel. The lid is used to stand the characters on while they construct the turtle's pretend home. Inside, the box features a blue tiled base resembling the sea. Let your LEGO Friends fan imagine Mia and the turtle are taking a dip after a hard day's building. They can then pack up the elements into the heart keepsake box and secure the lid to enjoy beach fun on the go. This heart box features easy-to-use instructions and includes a Mia mini-doll figure plus a turtle figure.

  • This beach playset includes a Mia mini-doll figure and a turtle figure.
  • Features a buildable box in Mia’s colors with a decorated name tile, plus a buildable sandcastle.
  • LEGO® Friends accessories in this set include a shell and a flag.
  • LEGO® Friends fans can put everything inside the cute LEGO Heart Box and take it with them for fun play on the go!
  • LEGO® Friends sets encourage imaginative play, and make building creative and fun.
  • Kids can stack this cool LEGO® Heart Box with 41384 Andrea’s Summer Heart Box, 41385 Emma’s Summer Heart Box, 41386 Stephanie’s Summer Heart Box, and 41387 Olivia’s Summer Heart Box to explore the personalities of all the friends from Heartlake City.
  • This construction set is part of the LEGO® Friends world of everyday heroes and exciting real-world scenarios.
  • Heart storage box measures over 1” (3cm) high, 2” (7cm) wide and 2” (7cm) deep.

Compare Similar Sets

Compared to other LEGO Friends sets in a similar price range, Mia's Summer Heart Box offers a self-contained play experience. While sets like the smaller accessory packs may offer more pieces, the Heart Box provides a complete scene and a convenient storage solution. Collectors might choose this set for its portability and unique packaging.

1 Minifigures Included

The set includes a Mia minifigure with a unique dark purple top and skirt, making her a desirable addition to any LEGO Friends collection.

📦 Full Parts Inventory - 27 unique parts • 73 total pieces

Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Plate Special 1 x...
Part #: 15573 Dark Azure
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 Dark Azure
Tile Round 1 x 1 Quarter Tile Round 1 x 1 ...
Part #: 25269 White
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 White
Tile 2 x 2 Curved, Macaroni Tile 2 x 2 Curved...
Part #: 27925 Lime
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Light Aqua
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Coral
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Light Aqua
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Coral
Brick 1 x 6 Brick 1 x 6
Part #: 3009 Coral
Brick 1 x 6 Brick 1 x 6
Part #: 3009 Light Aqua
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Medium Azure
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Tan
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Lime
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Dark Tan
Plate Round Corner 3 x 3 Plate Round Corne...
Part #: 30357 Dark Azure
Plate Round Corner 3 x 3 Plate Round Corne...
Part #: 30357 Lime
Slope 45° 2 x 2 Slope 45° 2 x 2
Part #: 3039 Light Aqua
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Lime
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Trans-Light Blue
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Dark Azure
Brick Arch 1 x 4 Brick Arch 1 x 4
Part #: 3659 Tan
Equipment Shovel [Rounded Handle End] Equipment Shovel ...
Part #: 3837 Dark Bluish Gray
Plate 6 x 6 Plate 6 x 6
Part #: 3958 Lime
Plate 6 x 6 Plate 6 x 6
Part #: 3958 Dark Azure
Flag 4 x 1 Wavy [First Wave Right] Flag 4 x 1 Wavy [...
Part #: 4495b Magenta
Animal, Turtle, Baby with Olive Green Hearts Animal, Turtle, B...
Part #: 49576pr0001 Yellowish Green
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Tan
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 White
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Lime
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Brick Round Corne...
Part #: 85080 Light Aqua
Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Brick Round Corne...
Part #: 85080 Coral
Tile 2 x 4 with Groove Tile 2 x 4 with G...
Part #: 87079 Dark Azure
Tile 2 x 4 with Medium Azure "Mia" on Throw-rug print Tile 2 x 4 with M...
Part #: 87079pr0199 Dark Purple
Plate Special 2 x 2 with Groove and Center Stud (Jumper) Plate Special 2 x...
Part #: 87580 Dark Azure
Bucket 1 x 1 x 1 Bucket 1 x 1 x 1
Part #: 95343 Red
Bucket 1 x 1 x 1 Handle Bucket 1 x 1 x 1 ...
Part #: 95344 Dark Tan
This set is a great source of Lime and Dark Azure elements, useful for builders looking to add vibrant colors to their MOCs. The rounded macaroni tiles are particularly handy for creating smooth, organic shapes.

🛒 Where to Buy

eBay
✓ In Stock
$7.19
Walmart
✓ In Stock
$7.59
Target
✓ In Stock
$7.99
LEGO (DE)
✓ In Stock
€7.99
LEGO (UK)
✓ In Stock
£7.99
LEGO (US)
✓ In Stock
$7.99
LEGO (CA)
✓ In Stock
$9.99
Amazon

💎 Notable Parts

Dark Azure Tile 2 x 4 with Groove (6x) $0.90
Coral Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] (4x) $0.80
Lime Tile 2 x 2 Curved, Macaroni (4x) $0.60
Est. BrickLink Part Value
$2.30

💡 MOC Potential

🏰 Miniature castle tower
🌳 Small tropical island diorama
🚢 Micro-scale sailboat

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📖 Building Instructions 2

Mia's Summer Heart Box Instructions
BI 3107, 36/65G, 41388 V29
Download PDF
Mia's Summer Heart Box Instructions
BI 3107, 36/65G, 41388 V39
Download PDF

Charts Inventory Statistics

27
Unique Parts
73
Total Pieces
1
Minifigures
Inventory Version: 1