1. Introduction
This instruction manual provides detailed guidance for assembling and enjoying your LEGO Marvel Hulkbuster vs. The Hulk (76343) building set. This set allows you to recreate an epic battle scene from Marvel Studios' Avengers: Age of Ultron, featuring a posable Hulkbuster armor, Iron Man, and The Hulk minifigures, along with a destructible street environment.
The set contains 413 pieces and is designed for builders aged 9 and up. For an enhanced building experience, consider using the LEGO Builder app, which offers 3D instructions and progress tracking.
2. Safety Information
- Small Parts Warning: This set contains small parts which may pose a choking hazard for children under 3 years old. Adult supervision is recommended for younger children playing near the assembled model.
- Intended Use: This product is a building toy designed for assembly and imaginative play. Do not use for purposes other than its intended design.
- Cleaning: Refer to the Maintenance section for proper cleaning instructions.
3. Package Contents
Your LEGO Marvel Hulkbuster vs. The Hulk (76343) set includes the following:
- 413 LEGO building elements.
- Iron Man minifigure.
- The Hulk minifigure.
- Instruction booklet (physical or digital via LEGO Builder app).
Please verify all components are present before beginning assembly. If any pieces are missing, refer to the Troubleshooting section for assistance.
4. Assembly Instructions
Follow these steps carefully to assemble your LEGO Marvel Hulkbuster vs. The Hulk set. It is recommended to sort pieces by color and type before starting.
4.1. Building the Hulkbuster Armor
The Hulkbuster armor is a fully jointed model designed for dynamic posing. Pay close attention to the articulation points during construction.

Image 4.1.1: The complete LEGO Marvel Hulkbuster vs. The Hulk set, showcasing the detailed Hulkbuster armor and the dynamic scene.

Image 4.1.2: Iron Man minifigure positioned within the Hulkbuster's cockpit, ready for action.
- Begin by constructing the main body frame of the Hulkbuster.
- Attach the leg assemblies, ensuring all joints are correctly oriented for full articulation.
- Assemble the arm sections, including the repulsor blast elements.
- Construct the head and chest plate, which opens to allow the Iron Man minifigure to be placed inside.
- Carefully place the Iron Man minifigure into the cockpit and close the chest plate.
4.2. Building the Street Scene and Minifigures
The street scene provides a dynamic backdrop for the battle, complete with collapsing structures and a traffic light weapon for The Hulk.

Image 4.2.1: The Hulkbuster armor depicted in action, breaking through street debris, with The Hulk minifigure on a damaged structure.
- Assemble the base platform for the street scene, including the nameplate.
- Construct the collapsing steel structures and debris elements, integrating them into the base.
- Build the traffic light accessory, which can be held by The Hulk minifigure.
- Assemble The Hulk minifigure.
5. Operating and Play Features
Once assembled, your LEGO Marvel Hulkbuster vs. The Hulk set offers various play possibilities:

Image 5.1.1: A child engaging in imaginative play with the removable Hulkbuster and Hulk minifigures.
- Hulkbuster Posing: Utilize the multiple articulation points of the Hulkbuster armor to create dynamic battle poses. The arms, legs, and body can be adjusted.
- Minifigure Interaction: Place Iron Man inside the Hulkbuster. The Hulk minifigure can be positioned on the collapsing structures or wield the traffic light accessory.
- Recreate Scenes: Use the set to reenact the iconic battle from Avengers: Age of Ultron or invent new Super Hero adventures.
6. Displaying Your Model
The LEGO Marvel Hulkbuster vs. The Hulk set is designed for both play and display. The included base with a nameplate makes it suitable for showcasing.
Video 6.1.1: A 360-degree view of the assembled LEGO Marvel Hulkbuster vs. The Hulk set, showcasing the Hulkbuster armor, Hulk minifigure, and the street scene with debris.

Image 6.1.2: The complete LEGO set presented on its display base, highlighting the detailed scene.
- Place the assembled model on a flat, stable surface.
- Ensure the minifigures and accessories are securely attached to prevent accidental falls.
- Avoid direct sunlight or extreme temperatures to preserve the color and integrity of the LEGO elements.
7. Maintenance and Care
Proper care will ensure the longevity of your LEGO set.
- Cleaning: To clean LEGO bricks, wipe them with a soft, damp cloth. For deeper cleaning, wash them by hand in water no warmer than 104°F (40°C) with a mild detergent. Rinse thoroughly and air dry. Do not use hot water, washing machines, or dryers, as this can damage the bricks.
- Storage: Store your LEGO set in a cool, dry place away from direct sunlight to prevent discoloration and warping.
- Disassembly: If disassembling the set for storage, keep all pieces together in a container to prevent loss.
8. Troubleshooting
Common issues and their solutions:
| Issue | Solution |
|---|---|
| Missing piece(s) | Double-check all packaging and sorting areas. If still missing, contact LEGO Customer Service (see Section 9). |
| Difficulty connecting bricks | Ensure bricks are correctly aligned. Apply firm, even pressure. If a brick is damaged, replace it. |
| Model is unstable | Review previous steps to ensure all connections are secure and pieces are correctly placed according to the instructions. |
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | 76343 |
| Brand | LEGO |
| Theme | Marvel Super Heroes |
| Number of Pieces | 413 |
| Recommended Age | 9+ years |
| Assembled Dimensions (Battle Scene) | Over 7.5 in. (19 cm) high, 5 in. (13 cm) wide, and 4.5 in. (11 cm) deep |
| Material | Plastic |
| Included Minifigures | Iron Man, The Hulk |
10. Warranty and Support
LEGO products are manufactured to high-quality standards. If you encounter any issues or require assistance, please refer to the official LEGO support channels.
- Missing Bricks: If you find a missing brick, you can order replacement parts directly from the official LEGO website.
- Customer Service: For further support, visit LEGO.com/service or contact their customer service hotline.
- Warranty Information: LEGO products come with a limited warranty covering manufacturing defects. Details are available on the official LEGO website.