1. Introduction
This instruction manual provides detailed guidance for assembling and enjoying your LEGO Star Wars Imperial Star Destroyer (75394) building set. Recreate iconic scenes from Star Wars: A New Hope or invent new adventures with this detailed model.

The fully assembled LEGO Imperial Star Destroyer model with several minifigures, including Darth Vader and Cal Kestis, displayed on a wooden surface.
2. Product Features
The LEGO Star Wars Imperial Star Destroyer (75394) set includes:
- A detailed buildable model of the Imperial Star Destroyer.
- Seven LEGO Star Wars minifigures: Darth Vader, Commander Praji, an Imperial Gunner, an Imperial Navy Trooper, a Stormtrooper, and a special 25th Anniversary Cal Kestis minifigure.
- An extendable hidden handle for simulated flight.
- Two spring-loaded shooters for interactive play.
- A removable top panel and hinged side panels for access to the detailed interior.
- An interior featuring the bridge, command room, break room, armory, operation boards, and a box with Kyber crystal and thermal detonator elements.
- A total of 1555 pieces for a rewarding building experience.
3. Assembly Instructions
Follow the step-by-step instructions provided in the included building guide. Sort your LEGO bricks by color and size to facilitate the building process. Ensure all connections are secure to maintain the model's structural integrity.
For an enhanced building experience, utilize the LEGO Builder app. This application allows you to zoom, rotate, and visualize a digital version of the model as you build, track your progress, and save your sets.

The LEGO Builder app interface displaying a 3D model of a LEGO creation, highlighting interactive digital building features.
4. Play Features
4.1. Flight Handle
The Imperial Star Destroyer features a hidden, extendable handle. Pull this handle out to easily hold and maneuver the model for dynamic play scenarios, simulating flight through space.

A hand demonstrating the extendable hidden handle on the LEGO Imperial Star Destroyer, designed for easy handling during play.
4.2. Spring-Loaded Shooters
Engage in battle with the two integrated spring-loaded shooters. Load the projectiles and press the triggers to launch them, targeting enemy ships or minifigures.

A close-up view of the spring-loaded shooters on the LEGO Imperial Star Destroyer, showing a projectile being launched.
4.3. Detailed Interior Access
The model includes a removable top panel and hinged side panels. These features allow easy access to the highly detailed interior, which includes the bridge, command room, break room, armory, operation boards, and a box containing Kyber crystal and thermal detonator elements.

An exploded view of the LEGO Imperial Star Destroyer, illustrating how the top and side panels can be removed or hinged to reveal the interior details.

A detailed view of the interior of the LEGO Imperial Star Destroyer, showcasing the bridge and command room with minifigures.
5. Minifigures
The set includes seven minifigures to enhance your play and display:
- Darth Vader
- Commander Praji
- Imperial Gunner
- Imperial Navy Trooper
- Stormtrooper
- Cal Kestis (25th Anniversary Edition)

The seven minifigures included in the set, featuring Darth Vader, various Imperial troopers, and Cal Kestis.
6. Specifications
| Attribute | Value |
|---|---|
| Model Number | 75394 |
| Brand | LEGO |
| Number of Pieces | 1555 |
| Recommended Age | 10 years and up |
| Material | Plastic |
| Product Dimensions | 45.6 x 28.2 x 13.6 cm |
| Product Weight | 2.55 kg |
| Educational Value | Visual Development, Building Skills |
| Assembly Required | Yes |
| Batteries Required | No |
7. Safety Information
Warning! Choking hazard. Small parts and small balls. Not suitable for children under 3 years.
Always supervise young children during play to prevent accidental ingestion of small parts. Keep the product away from extreme heat sources to prevent deformation or damage.
8. Setup
The setup process involves assembling the LEGO model according to the provided instruction booklet. No external tools or power sources are required for the basic assembly. Ensure you have a clean, flat surface to work on and keep all pieces organized to prevent loss.
9. Operating Instructions
Once assembled, the LEGO Imperial Star Destroyer is ready for interactive play:
- Flying the Model: Extend the hidden handle located on the underside of the ship to comfortably hold and 'fly' the Star Destroyer.
- Firing Cannons: Load the small projectiles into the spring-loaded shooters. Press the designated triggers to launch the projectiles.
- Accessing Interior: Gently remove the top panel or open the hinged side panels to access the detailed interior sections for role-play with minifigures.
10. Maintenance
To ensure the longevity and appearance of your LEGO model:
- Cleaning: Use a soft brush or a damp cloth with mild soap and water to clean the bricks. Avoid harsh chemicals or abrasive materials.
- Storage: Store the model in a cool, dry place away from direct sunlight to prevent discoloration and material degradation.
- Disassembly: If disassembling, keep all pieces organized to facilitate future reassembly.
11. Troubleshooting
If you encounter issues during assembly or play:
- Missing Pieces: If you find a piece missing, please contact LEGO Customer Service directly through their official website.
- Assembly Errors: Carefully review the instruction manual steps where you encountered difficulty. Disassemble and reassemble the problematic section. The LEGO Builder app can also help visualize complex steps.
- Loose Connections: Ensure all bricks are firmly pressed together. Sometimes a piece may not be fully seated.
12. Warranty and Support
LEGO products are manufactured to high-quality standards. For information regarding product warranty, replacement parts, or further assistance, please visit the official LEGO customer service website:
You can also find additional resources and community forums on the LEGO website.