Beginner
≈ 45 minSuggested range27 min – 1 h 12 min
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Friends · SET 41386
Stephanie's Summer Heart Box
A summer heart-shaped box with beach accessories.
- Pieces
- 95
- Release year
- 2019
- Theme
- Friends
- Set number
- 41386
- LEGO recommended age
- 6+
- Historical price in EUR
- Not verified
The historical euro price has not been verified. No current offer or conversion from another market is shown.
Official English name verified at: LEGO English archive ↗ · Checked on 26 October 2026.
TIME TO BUILD
How long does it take to build Stephanie's Summer Heart Box?
A starting point for planning your build. Times for each experience level are editorial estimates, not measurements submitted by HowLongToBuild users.
Editorial estimate · first build
Intermediate
≈ 30 minSuggested range18 min – 48 minExperienced
≈ 21 minSuggested range12 min – 34 minBased on one person building the set for the first time, following the original instructions and using numbered bags where supplied. Includes normal piece-finding and minor adjustments; excludes long breaks, filming, dismantling and modifications. Sources may use different methods. This range is neither a statistical interval nor a limit: your build may take less or more time.
How we estimate times · sources and method
Editorial assessment: A summer heart-shaped box with beach accessories. Binoculars, flippers and summer accessories accompany Stephanie. A first build following the instructions, including normal piece finding; an adult may help when needed. Breaks, subsequent play and any alternative models are excluded. For older sets, unnumbered bags or previously mixed pieces may prolong sorting. No verified timed build: indicative values with substantial variation.
Sources do not always specify the builder’s experience. The three experience bands are our editorial assessment, based on the complexity of the set and individual accounts where available.
- LEGO · set-specific instructions ↗
Official name, pieces, age and imagery; no timed building data.
- LEGO · set manual ↗
Document for this set number. The duration is an editorial estimate, not a LEGO timing.
Checked: 26 October 2026 · Method v1.0 · Limited reports; not a statistical average.
BUILT BY THE COMMUNITY
Yours could be the first building time.
0 reviewed solo building times.
No solo building times have been reviewed yet. You can still find editorial estimates under Suggested times.
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Create a free account →BEYOND THE BRICKS
Did you know?
Inside the set
Heart-shaped container
Blue, pink and white layers form the box.
LEGO sourceSmall accessories
Binoculars, flippers and summer accessories accompany Stephanie.
LEGO sourceBeyond the set
The stories, places and inventions behind your build.
Two ways to play
Structured play follows organised activities or rules; in free play children choose what to imagine and do.
U.S. Administration for Children and FamiliesMore than the finished result
Exploring ideas and inventing stories are parts of play alongside completing an object.
U.S. Administration for Children and FamiliesWritten by HowLongToBuild · Sources are linked with each story · Checked on 26 October 2026. Historical facts and story details refer to the context described.
THE COMMUNITY’S EXPERIENCE
What was it like to build?
Three separate scores from 1 to 10. For difficulty, 1 means very easy and 10 means very difficult.
No approved ratings yet. Scores are never generated by this site or inferred from the recommended age.
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Specific steps, useful checks and sticking points. Contributions appear after moderation, in their original language. Do not upload instruction pages or personal contact details.
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Sign in to contributeSET THE MOOD
A soundtrack for your build
Stephanie's Summer Heart Box · Selected for the subject and atmosphere
Orchestral waves, reflections and changing intensity echo the subject’s water and movement. This is a musical reading of the scene, with a more spacious alternative if you prefer less momentum.
OUR PICK
Debussy: La Mer & Nocturnes
André Previn · London Symphony Orchestra
Orchestral · waves, colour and movementTry a different atmosphere
ANOTHER MOOD
Green
Hiroshi Yoshimura
Ambient · light and contemplativeEditorial suggestions, not official soundtracks for the set. External services may require an account or subscription; editions and availability can vary by country. Suggest another soundtrack →
Report a problem with this set →
YOUR NEXT BUILD
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Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
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Official LEGO® image · © LEGO Group and/or the respective rights holders. Source: LEGO Italy ↗
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