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Sets
Friends
Summer Heart Box
Mia's Summer Heart Box

41388 LEGO Friends Mia's Summer Heart Box

Name: LEGO Friends Mia's Summer Heart Box
Brand: LEGO
SKU: 41388-1
Availability: InStock
Rating: 4.70 (17 reviews)

Images 6Description 1

41388 LEGO Friends Mia's Summer Heart Box

LEGO 41388 Mia's Summer Heart Box is a Friends set valued at $12 for new and sealed sets, up 50% from an original retail price of $7.99. The set retired in January 2020 with annual appreciation averaging 4.72% since. On the used market, values range from $5 to $7 based on condition. Secondary market prices for new and sealed sets typically fall between $10 and $16.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Mia's Summer Heart Box since January 2020. Very high accuracy

LEGO 41388 Mia's Summer Heart Box is a Friends Summer Heart Box set released in 2019, containing 85 pieces and 1 mini-doll figure. It features a buildable heart-shaped box in Mia’s colors with a decorated name tile. The set includes a Mia mini-doll and a turtle figure, plus elements for a small beach scene such as a buildable sandcastle, shell, and flag.

A new and sealed Mia's Summer Heart Box is currently valued at around $12, with annual growth of approximately 3%, which is lower than other Summer Heart Box sets. The average used price is $5 for those in good overall condition. Based on current trends, this set could be valued near $13 within the next year. The 1 included mini-doll figure account for approximately 20% of the set's total value.

All regions

All regions 26
United States 24
Australia 1

For Sale (New/Sealed)

	(US) Friends Mia's Heart Box 41358 Complete Set 83 Pieces Mia Heart Box	BrickEconomy Choice $8.00
	(US) 41388 Friends Mia's Summer Heart Box New Sealed	$9.99 -16.7%
	(US) Friends 41388 Mia's Summer Heart Box 85 Pcs New Sealed	$9.99 -16.7%
	(US) New and sealed	$9.99 -16.7%
	(AU) BrickLink store Brickguy217	$10.55 -12.0%
	(US) Friends: Andrea's Summer Heart Box (41384) Brand New & Factory Sealed	$11.99
	(US) Friends: Mia's Summer Heart Box (41388) Brand New & Factory Sealed	$11.99
	(US) 50% SALE: Lego 41358 2019 Friends Mia's Heart Box Retired NEW	$12.00 +0.1%
	(US) Friends 41388 Mia's Summer Heart Box 85 pc NEW	$12.00 +0.1%
	(US) Friends Mias Summer Heart Box 41388 Retired Building Kit 84 Pcs NEW Sealed	$12.00 +0.1%
	(US) Friends 41388 Mia's Summer Heart Box 85 pc NEW	$12.95 +8.0%
	(US) 41388 - Mia's Summer Heart Box - Brand New & Free Shipping	$12.95 +8.0%
	(US) Mia's Summer Heart Box - LEGO Friends Set (41388) [RETIRED]	$14.99 +25.0%
	(NO) New and sealed	$15.63 +30.4%
Show 11 more listings
	(US) Friends 41358 Mias Heart Box New Sealed 84 Pieces Building Set	$15.99 +33.4%
	(US) Friends: Emma's & Mias Summer Heart Boxes (41385 & 41388)- NEW SEALED	$15.99 +33.4%
	(US) 41358 2019 Friends Mia's Heart Box Retired HTF	$17.00 +41.8%
	(US) Friends Mia's Summer Heart Box 41388	$17.50 +46.0%
	(US) NEW Sealed LEGO 41358 FRIENDS Mia's Heart Box	$17.98 +50.0%
	(US) FRIENDS: Mia's Heart Box (41358) Retired 83pcs. Sealed.	$18.99 +58.4%
	(US) Friends Mia's Heart Box 41358	$18.99 +58.4%
	(US) FRIENDS MIAS HEART BOX 83 PIECE BOX SET 41358 SEALED NEW 2019	$19.99 +66.7%
	(US) FRIENDS 41358 Mia's Heart Box, New	$19.99 +66.7%
	(US) Brand New Sealed Lego Friends Andrea's Summer Heart Box 41384	$19.99 +66.7%
	(US) 41358 Friends Mia's Heart & 41386 Stephanies Summer Heart Box New Retired	$20.00 +66.8%
	(US) Friends Mia Heart Box Set 41358	$20.00 +66.8%

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 41388 Mia's Summer Heart Box.

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 41388 Mia's Summer Heart Box.

Mini-doll figures

Mia's Summer Heart Box contains 1 mini-doll figure. The mini-doll figure is exclusive to this set.

Friends Heart Box Sets


	41354 Andrea's Heart Box Theme / Subtheme Friends / Heart Box Year 2019 Pieces / Mini-doll figures 84 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $11.99 Growth +50.1% Annual growth 3.6% I own this set I want this set

	41355 Emma's Heart Box Theme / Subtheme Friends / Heart Box Year 2019 Pieces / Mini-doll figures 85 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $12.11 Growth +51.6% Annual growth 3.5% I own this set I want this set

	41356 Stephanie's Heart Box Theme / Subtheme Friends / Heart Box Year 2019 Pieces / Mini-doll figures 85 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $13.18 Growth +65.0% Annual growth 3.7% I own this set I want this set

	41357 Olivia's Heart Box Theme / Subtheme Friends / Heart Box Year 2019 Pieces / Mini-doll figures 85 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $9.92 Growth +24.2% Annual growth 2.9% I own this set I want this set

	41358 Mia's Heart Box Theme / Subtheme Friends / Heart Box Year 2019 Pieces / Mini-doll figures 83 / 1 Availability Retired Buy this set at Amazon eBay Bricklink	Retail $7.99 Value $9.85 Growth +23.3% Annual growth 2.5% I own this set I want this set

	41384 Andrea's Summer Heart Box Theme / Subtheme Friends / Summer Heart Box Year 2019 Pieces / Mini-doll figures 83 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $11.99 Growth +50.1% Annual growth 5.4% I own this set I want this set

	41385 Emma's Summer Heart Box Theme / Subtheme Friends / Summer Heart Box Year 2019 Pieces / Mini-doll figures 86 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $12.05 Growth +50.8% Annual growth 4.4% I own this set I want this set

	41386 Stephanie's Summer Heart Box Theme / Subtheme Friends / Summer Heart Box Year 2019 Pieces / Mini-doll figures 95 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $11.98 Growth +49.9% Annual growth 6.5% I own this set I want this set

	41387 Olivia's Summer Heart Box Theme / Subtheme Friends / Summer Heart Box Year 2019 Pieces / Mini-doll figures 93 / 2 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $11.99 Growth +50.1% Annual growth 4.7% I own this set I want this set

Sets in Friends / Summer Heart Box


	41386 Stephanie's Summer Heart Box Theme / Subtheme Friends / Summer Heart Box Year 2019 Pieces / Mini-doll figures 95 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $11.98 Growth +49.9% Annual growth 6.5% I own this set I want this set

	41387 Olivia's Summer Heart Box Theme / Subtheme Friends / Summer Heart Box Year 2019 Pieces / Mini-doll figures 93 / 2 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $11.99 Growth +50.1% Annual growth 4.7% I own this set I want this set

	41385 Emma's Summer Heart Box Theme / Subtheme Friends / Summer Heart Box Year 2019 Pieces / Mini-doll figures 86 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $12.05 Growth +50.8% Annual growth 4.4% I own this set I want this set

	41384 Andrea's Summer Heart Box Theme / Subtheme Friends / Summer Heart Box Year 2019 Pieces / Mini-doll figures 83 / 1 Availability Retired Buy this set at Amazon eBay	Retail $7.99 Value $11.99 Growth +50.1% Annual growth 5.4% I own this set I want this set

My Collection

I own this set

I want this set

Set Details

Set number

41388-1

Name

Mia's Summer Heart Box

Theme

Friends

Subtheme

Summer Heart Box

Year

2019

Released

August 2, 2019

Retired

January 12, 2020

Availability

Retired

Pieces

85 (PPP $0.09)

Mini-doll figures

1 (Value $2.39)

(Exclusive)

Set Pricing

Retail price

$7.99

New/Sealed

Value

$11.99

Growth

+50.06%

Annual growth

+4.72%

Rolling growth

+0.65% (Previous 12 months)

90-day change

12.18%

Used

Value

$5.43

Range

$4.87 - $6.51

Quick Buy

eBay

Buy

Lowest price

$8.00

Highest price

$20.00

Amazon

Buy

Price

Check

Bricklink

Buy

Lowest price

$8.23 (SI)

Highest price

$15.63

*Listings are for new/sealed sets.

Set Predictions

New/Sealed

Today's value

$11.99

1 year forecast

$12.56+4.72%

5 year forecast

$14.79+23.36%

$14

$15

41388 Mia's Summer Heart Box is projected to be valued between $14 - $15 within five years.

Insights

A broadly distributed Friends seasonal release from 2019, Mia's Summer Heart Box shows modest post-retirement appreciation and steady interest among theme collectors, and its standard retail run plus interchangeable mini-doll elements limit scarcity and cap upside.

Set Facts

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.
Mia's Summer Heart Box was designed by LEGO designer Ellen Bowley.

Regional Retail Prices (LEGO.com/Store)

United States

$7.99

United Kingdom

£7.99

Canada

$9.99

Europe

€7.99

Australia

$11.99

Barcodes

UPC

673419310291

EAN

5702016468977

Mia's Summer Heart Box Reviews

17 ratings

4.7

Collectors

Investors

Subtheme Analysis

Friends / Summer Heart Box

Sets

Year

2019

Lifespan

5 mos (this set 5 mos)

Annual growth

+4.71% (this set +4.72%)

This set's annual growth (CAGR) vs. subtheme

Community Stats

Mia's Summer Heart Box currently ranks #4 out of the top most owned sets in Friends Summer Heart Box.

#1Emma's Summer Heart Box

#2Andrea's Summer Heart Box

#3Stephanie's Summer Heart Box

#4Mia's Summer Heart Box

#5Olivia's Summer Heart Box

About Friends Summer Heart Box

The LEGO Friends Summer Heart Box subtheme is a 2019 follow-up to the original Heart Box line, packaging summer-themed mini scenes into portable heart-shaped cases for each main character. The collection includes 41384 Andrea's Summer Heart Box, 41385 Emma's Summer Heart Box, 41386 Stephanie's Summer Heart Box, 41387 Olivia's Summer Heart Box, and 41388 Mia's Summer Heart Box, each featuring beach, pool, or vacation-themed accessories tailored to the character.

Summer Heart Box was introduced in 2019 and currently consists of 5 sets.

Summary

Friends Summer Heart Box Mia's Summer Heart Box set 41388 was released on August 2, 2019, retailing for $8, it has since been retired. New, unopened sets are valued at $12, used ones can be found for $5.

Take Mia s sunshine with you wherever you go!
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...

Set Pricing Models

BrickEconomy uses a number of methods to determine the value of a set.

New/Sealed

Machine Learning/AI Model

Value (today)

$11.99

Value (in a year)

$12.56

Value (in 2 years)

$13.12

Accuracy

0.962000 Very high

Statistical Model

Value (today)

$14.29

Value (in a year)

$14.83

Value (in two years)

$15.36

Accuracy

0.266659 Very low

Used

Machine Learning/AI Model

Value (today)

$5.43

Value (low range)

$4.87

Value (high range)

$6.51

Accuracy

0.907000 High

To learn more about how we calculate pricing and forecasting, check out our article on BrickEconomy’s Approach to LEGO Pricing and Future Value Predictions.

Region · United States (USD)

Theme · Light

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