LEGO Ideas 21321 / International Space Station Model Kit (864 pieces)

Model Overview

The International Space Station 21321 is a detailed display model that celebrates one of humanitys most visible examples of international collaboration in space. Ideal for fans of space models and adult hobbyists, this LEGO Ideas kit offers a rewarding build that combines visual accuracy with a compact display footprint. The finished model captures the ISS silhouette and includes several articulated elements to bring the station to life on your shelf.

About the Manufacturer

LEGO has a long history of producing engineering-focused kits that appeal to adult builders and collectors. The LEGO Ideas International Space Station 21321 continues that tradition, offering a thoughtfully designed set that balances playful element use with authentic styling for display.

Subject Background

The International Space Station is a habitable artificial satellite and laboratory in low Earth orbit, built and operated by a coalition of space agencies. As a symbol of international cooperation and scientific research, the ISS has been continuously crewed for many years and remains a popular subject for model makers and space enthusiasts.

Model Kit Features

• Parts: 864 pieces
• Finished dimensions: over 20cm high, 31cm long and 49cm wide
• Moving features: 2 rotating joints; 8 adjustable solar panels; posable Canadarm2
• Includes: display stand; 2 astronaut microfigures; brick-built mini NASA space shuttle; 3 mini cargo spacecrafts
• Part Number: 21321
• Model: 6301660
• Colour: Multicolor
• Release Date: 2020-04-27
• Recommended age: adults 16+

Who This Model Kit Is For

This set is aimed at adult builders and experienced LEGO fans who enjoy display-oriented projects and space subjects. Collectors seeking a compact but impressive ISS model and hobbyists interested in space models will appreciate the kit. It is suitable for builders aged 16+ who enjoy a moderate to challenging brick-building experience.

Modelling Notes

The build rewards patience with a variety of small assemblies and a few articulated systems that provide dynamic display options. The included stand and mini spacecraft make for an engaging shelf presentation. Expect a satisfying construction process that highlights layout, symmetry and model staging rather than fine-scale engineering. This kit makes an attractive birthday or commemorative gift for space enthusiasts and adult hobbyists alike.

Frequently Asked Questions

Is this model kit suitable for beginners?

Not ideal for novice builders. The set is intended for adults aged 16+ and experienced LEGO builders, offering a more challenging hobby kit and display build.

How many pieces are in the kit and how complex is the build?

This model contains 864 parts. The build includes authentic details and moving elements, providing a moderately complex experience suited to experienced builders rather than beginners.

Does the finished model have moving parts or posable elements?

Yes. The display model features 2 rotating joints, 8 adjustable solar panels and a posable Canadarm2, plus a stand, 2 microfigures and four mini craft models.

What are the finished model’s display dimensions?

When assembled it measures over 7 (20cm) high, 12 (31cm) long and 19 (49cm) wide, and it includes a stand for attractive shelf display.

Is this kit suitable as a gift?

Yes. Marketed as an adult set and recommended for ages 16+, it makes a great birthday or holiday present for space fans and collectors.

Looking for something else? Browse all space model kits and compare the latest prices. If you need some suggestions for gifts, check out our gift ideas for model builders.