Introduction
The LEGO Sonic Boom 5892 set offers an exciting 3-in-1 building experience, allowing you to construct a supersonic jet, a dual prop plane, or a high-speed boat. This manual provides essential information for assembly, operation, and maintenance of your LEGO model.

Figure 1: Front view of the LEGO Sonic Boom 5892 packaging, displaying the primary supersonic jet model.
Key Features:
- 3-in-1 Building Experience: Construct a Supersonic Jet, a Dual Prop Plane, or a High-Speed Boat from the same set of 539 LEGO pieces.
- Movable Components: The Supersonic Jet features movable wing flaps, tail fins, and landing gear for dynamic play.
- Interactive Elements: Open the cockpit and activate the Power Functions light-up brick to illuminate the afterburners with a simple flick of a button.
- Dimensions: The assembled jet measures approximately 15 inches (39 cm) from front to back and over 13 inches (33 cm) wide.
Assembly Instructions
This LEGO set includes detailed, step-by-step pictorial instructions within the box to guide you through the construction of each of the three models. Please follow these instructions carefully for optimal assembly.
- Unpack Components: Carefully open the packaging and sort the LEGO pieces. It is recommended to organize pieces by color and type to facilitate the building process.
- Select Model: Decide which of the three models (Supersonic Jet, Dual Prop Plane, or High-Speed Boat) you wish to build first.
- Follow Manual: Refer to the included instruction booklet for your chosen model. Each step clearly illustrates which pieces are needed and how they connect.
- Power Functions Light Brick: Ensure the Power Functions light-up brick is correctly installed as per the instructions to enable the afterburner lighting feature.
- Verify Assembly: After completing each model, double-check all connections to ensure stability and proper function of movable parts.

Figure 2: Rear view of the packaging, illustrating the three distinct models that can be built from the set.
For detailed, step-by-step building instructions, please consult the physical instruction booklets provided with your LEGO set. Digital instructions may also be available on the official LEGO website by searching for model 5892.
Operating Instructions
Supersonic Jet:
- Wing Flaps and Tail Fins: Manually adjust the wing flaps and tail fins to simulate different flight maneuvers.
- Landing Gear: Extend or retract the landing gear for takeoff and landing scenarios.
- Cockpit: Open the cockpit canopy to place or remove minifigures (not included).
- Light-Up Afterburners: Locate the button or switch on the Power Functions light-up brick (integrated into the jet's rear section) and flick it to activate the glowing afterburners.

Figure 3: The assembled Supersonic Jet model, showcasing its sleek design and movable parts.
Dual Prop Plane & High-Speed Boat:
Once assembled, these models are designed for imaginative play. Their primary operation involves manual manipulation and creative storytelling.
Maintenance
- Cleaning: To clean LEGO bricks, use a mild soap solution and lukewarm water. Rinse thoroughly and air dry. Avoid hot water or harsh chemicals, as these can damage the plastic.
- Storage: Store LEGO pieces in a clean, dry place away from direct sunlight and extreme temperatures to prevent discoloration or warping.
- Power Functions Brick: If the light-up brick stops working, check if the batteries need replacement. Refer to the light brick's specific instructions for battery type and replacement procedure.
Troubleshooting
- Missing Pieces: In the rare event of missing pieces, please contact LEGO Customer Service directly. Do not return the entire set to the retailer.
- Loose Connections: If parts feel loose, disassemble and reassemble the section, ensuring all studs are firmly pressed into place.
- Light Brick Not Working: Ensure batteries are correctly inserted and charged. If issues persist, contact LEGO Customer Service.
Specifications
| Brand: | LEGO |
| Model Name: | Sonic Boom |
| Model Number: | 5892 |
| Item Model Number: | 4567220 |
| Number of Pieces: | 539 |
| Product Dimensions: | 19 x 14.75 x 2.75 inches |
| Item Weight: | 2.87 pounds |
| Recommended Age: | 8 - 12 years |
Safety Information
This product contains small parts and is recommended for ages 8-12 years. Not suitable for children under 3 years due to choking hazards. Adult supervision is recommended during assembly and play.
Warranty and Support
For product support, missing pieces, or warranty information, please visit the official LEGO website or contact LEGO Customer Service. Specific warranty details are typically provided with the product packaging or available on the manufacturer's website.
Official LEGO Website: www.lego.com
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