1. Introduction
The LEGO Hidden Side Supernatural Race Car 70434 set offers a unique play experience by combining a physical LEGO building model with an interactive augmented reality (AR) app. This manual provides instructions for assembling the model, utilizing the app, and maintaining your set to ensure an engaging ghost-hunting adventure.

Image 1: The LEGO Hidden Side Supernatural Race Car 70434 set, including the product box, the assembled race car, and the Jack, Vaughn, and Shadow-Walker minifigures with Spencer the dog.
2. Safety Information
This product contains small parts and is recommended for ages 7 years and up. Adult supervision is advised for younger children. Please keep small parts away from infants and toddlers to prevent choking hazards. Always follow the assembly instructions carefully.
3. Setup
3.1 Building the LEGO Model
Follow the step-by-step building instructions included in your LEGO set to construct the Supernatural Race Car and its accompanying minifigures. Ensure all pieces are securely connected as shown in the manual.

Image 2: A close-up of hands assembling the LEGO Supernatural Race Car, showing various components laid out on a surface.
3.2 Downloading the LEGO Hidden Side AR App
To unlock the augmented reality features, download the free LEGO Hidden Side AR app on a compatible smartphone or tablet. The app is available on both the Apple App Store and Google Play Store. Ensure your device meets the minimum system requirements for optimal performance.
3.3 Connecting the Physical Model to the App
Once the app is installed, launch it and follow the on-screen prompts to scan your assembled LEGO Supernatural Race Car. The app will use your device's camera to recognize the physical model and overlay digital elements, bringing the Hidden Side universe to life.
4. Operating Instructions
4.1 Augmented Reality Gameplay
The LEGO Hidden Side app transforms your physical model into an interactive portal to a haunted digital world. Use your device to explore, solve mysteries, hunt ghosts, and battle boss ghost Maxine Turbo. Interact with the physical model to trigger events within the app.

Image 3: Three children engaged in multiplayer AR gameplay, holding smartphones over the physical LEGO race car model on a table.
4.2 Car Features and Minifigures
The Supernatural Race Car features a dynamic design that can switch between driving and flying modes within the app. The set includes minifigures of Jack, Vaughn, and Shadow-Walker, along with a Spencer the dog figure, each playing a role in the ghost-hunting narrative.

Image 4: The fully assembled LEGO Supernatural Race Car displayed with the Jack, Vaughn, and Shadow-Walker minifigures, and Spencer the dog.
4.3 Multiplayer Experience
Engage in a multiplayer experience with friends by connecting multiple devices to the same physical LEGO model. Collaborate to hunt ghosts, strategize, and achieve victory in the Hidden Side universe.
Video 1: Official LEGO Hidden Side Supernatural Race Car 70434 product video demonstrating the building process, AR app integration, and multiplayer gameplay. Duration: 1:29.
Video 2: A 360-degree view of the assembled LEGO Hidden Side Supernatural Race Car 70434, showcasing its design from all angles. Duration: 0:07.
5. Maintenance
5.1 Cleaning LEGO Bricks
To clean your LEGO bricks, wipe them with a soft, damp cloth. For deeper cleaning, use mild soap and water (not exceeding 40°C or 104°F). Rinse thoroughly and air dry. Avoid using harsh chemicals or abrasive materials.
5.2 App Updates
Regularly check for updates to the LEGO Hidden Side AR app to ensure you have the latest features, bug fixes, and content. Updates can improve performance and introduce new gameplay elements.
6. Troubleshooting
6.1 App Not Connecting to Model
- Ensure your device's camera has a clear, unobstructed view of the LEGO model.
- Check that your device's operating system and the LEGO Hidden Side app are up to date.
- Restart the app and your device.
- Verify that your device is compatible with the LEGO Hidden Side AR app.
6.2 Augmented Reality Not Working Properly
- Ensure adequate lighting in your play area. AR performance can be affected by poor lighting.
- Clean your device's camera lens.
- Try playing on a flat, well-textured surface.
6.3 Missing or Damaged Parts
If you find any missing or damaged LEGO parts, please contact LEGO Customer Service for assistance. Do not attempt to force ill-fitting parts.
7. Specifications
| Product Dimensions | 13.94 x 7.52 x 2.76 inches |
| Item Weight | 1.04 pounds |
| Model Number | 70434 (Internal: 6288885) |
| Manufacturer Recommended Age | 7 years and up |
| Number of Pieces | 244 |
| Release Date | August 21, 2020 |
8. Warranty and Support
For detailed warranty information, product support, or to order replacement parts, please visit the official LEGO website or contact LEGO Customer Service. Keep your proof of purchase for any warranty claims.