How many pieces does the LEGO International Space Station (21321-1) have?

The LEGO International Space Station set (21321-1) contains 864 pieces. It was released in 2020 as part of the LEGO LEGO Ideas and CUUSOO theme.

How can I find missing parts for LEGO set 21321-1?

On BrickMissing you can check which parts from the LEGO International Space Station (21321-1) you already own. Add your LEGO collection and we'll show exactly which of the 864 pieces you're missing and which you already have.

Can I build the LEGO International Space Station 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 864 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO International Space Station from?

The LEGO International Space Station (21321-1) belongs to the LEGO LEGO Ideas and CUUSOO theme. You can browse all LEGO Ideas and CUUSOO sets on BrickMissing to find more sets from this theme.

International Space Station

21321-1 LEGO Ideas and CUUSOO 2020 864 parts 2.2% catalog rarity Intermediate

The LEGO Ideas International Space Station (21321-1) meticulously recreates the iconic orbital laboratory with 864 pieces. This detailed display model features a fully posable Canadarm2, assembled with articulated sections for realistic movement. Its core structure integrates two primary rotating joints, allowing builders to precisely position the eight adjustable solar panels. These panels are constructed to reflect the real ISS’s dynamic orientation. Designed for display, this authentic rendition showcases the intricate engineering of the station, resting on a sturdy black stand.

21321-1

3D build progress

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Parts Inventory

🧱 864 parts

Showing the first 12 rows of the parts list (864 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Light Bluish Gray	2×	€0,10 View at LEGO → View
White	3×	€0,12 View at LEGO → View
Tan	1×	€0,13 View at LEGO → View
Black	2×	€0,15 View at LEGO → View
Light Bluish Gray	4×	€0,15 View at LEGO → View
Light Bluish Gray	2×	€0,15 View at LEGO → View
White	2×	€0,06 View at LEGO → View
Light Bluish Gray	3×	€0,39 View at LEGO → View
Light Bluish Gray	2×	€0,13 View at LEGO → View
White	7×	€0,13 View at LEGO → View
Dark Bluish Gray	1×	€0,24 View at LEGO → View
Black	4×	Check price → View

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Catalog rarity

How common are the parts in International Space Station?

2.2%Low rarity

more commonless common

4 of 186 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

4.5%

All sets

6.7%

Least common in our catalog

Flag 7 x 3 · Dark Blue · only this set in our catalogPlate Special 4 x 6 · Black · only this set in our catalogBrick Round 2 x 2 Truncated Cone · Light Bluish Gray · only this set in our catalog

How we calculate this →