How many pieces does the LEGO Heartlake International School (41731-1) have?

The LEGO Heartlake International School set (41731-1) contains 985 pieces. It was released in 2023 as part of the LEGO Friends theme.

How can I find missing parts for LEGO set 41731-1?

On BrickMissing you can check which parts from the LEGO Heartlake International School (41731-1) you already own. Add your LEGO collection and we'll show exactly which of the 985 pieces you're missing and which you already have.

Can I build the LEGO Heartlake International School with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 985 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Heartlake International School from?

The LEGO Heartlake International School (41731-1) belongs to the LEGO Friends theme. You can browse all Friends sets on BrickMissing to find more sets from this theme.

Heartlake International School

41731-1 Friends 2023 985 parts 5.1% catalog rarity Advanced

The LEGO Friends Heartlake International School (41731-1) is a 985-piece set offering a comprehensive school environment designed for varied role-play scenarios. This modular building features reconfigurable sections, allowing for different layouts of its many classrooms and facilities. Inside, visitors discover a functional cafeteria, a detailed science class with themed accessories, an entrance area equipped with lockers, a creative art room, a media room, and a bathroom. The outdoor space complements the interior with a basketball net, a skateboard, and a bike complete with helmets, enabling outdoor play narratives. A central feature is the inclusion of Bunsen, the class hamster, adding a specific caretaking element to the school experience. The detailed construction provides a rich foundation for imagining daily school life in Heartlake City.

41731-1

3D build progress

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Parts Inventory

🧱 985 parts

Showing the first 12 rows of the parts list (985 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Unknown	1×	Check price → View
Unknown	1×	Check price → View
Pearl Gold	1×	€0,31 View at LEGO → View
Black	1×	€0,12 View at LEGO → View
Blue	1×	€0,13 View at LEGO → View
Yellow	3×	€0,13 View at LEGO → View
Light Bluish Gray	1×	€0,13 View at LEGO → View
Tan	3×	€0,13 View at LEGO → View
Medium Nougat	6×	€0,13 View at LEGO → View
Dark Azure	3×	Check price → View
Black	1×	€0,06 View at LEGO → View
Medium Nougat	2×	€0,06 View at LEGO → View

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Catalog rarity

How common are the parts in Heartlake International School?

5.1%Moderate rarity

more commonless common

21 of 414 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

6.1%

All sets

6.7%

Least common in our catalog

Sticker Sheet 1 for Set 41731-1 · Unknown · only this set in our catalogSticker Sheet 2 for Set 41731-1 · Unknown · only this set in our catalogMinidoll Hips and Cargo Pants · Dark Green · only this set in our catalog

How we calculate this →