1. Introduction
This manual provides comprehensive instructions for the assembly, operation, maintenance, and troubleshooting of your ROBOTIME LK802 Viking Dragon Ship Mechanical Wooden Puzzle. This 3D puzzle kit consists of 229 pieces and is designed for individuals aged 14 and older, offering an engaging building experience.

The completed Viking Dragon Ship model, showcasing its intricate design.
The model features a high bow and stern, four defense shields on each side, and a streamlined hull. Symmetrical sun flywheels drive 12 oars, simulating real dragon boat navigation. A transparent PS dragon ridge with an orange light effect completes the design, enhancing its visual appeal.
2. Package Contents
Before beginning assembly, please verify that all components are present in your package:
- Instruction Manual
- 229 Wood Pieces

The product packaging, laser-cut wooden sheets, instruction manual, and small accessory bags.
3. Assembly Instructions (Setup)
Follow the detailed, illustrated booklet included in your package for step-by-step guidance. Assembly typically takes approximately 5 hours for an intermediate skill level.

Follow the step-by-step instructions provided in the manual.
Important Tips:
- Read Instructions Carefully: Review the entire instruction booklet before starting to familiarize yourself with the process.
- Waxing Parts: For optimal performance and smooth movement of mechanical components, it is recommended to lightly wax moving parts as indicated in the instructions.
- Small Components: Exercise caution when handling small screws and delicate pieces. Tweezers may assist in placement.
- Adult Supervision: While designed for ages 14 and up, younger builders may require adult supervision and assistance.

Detailed features of the Viking Dragon Ship model.
4. Operation
Once assembled, the ROBOTIME LK802 Viking Dragon Ship features a dynamic mechanical movement. The symmetrical sun flywheels, connected by gears and rods, drive the 12 oars in a periodic reciprocating motion, simulating a rowing action. The transparent dragon ridge illuminates with an orange light effect when powered.
Powering the Model:
The mechanical and lighting functions are powered via a USB-C cable. Connect a standard USB-C cable (not included) to the designated port on the model and to a compatible USB power source (e.g., a wall adapter, power bank, or computer USB port).

Close-up of the mechanical gears driving the oars.

USB-C power input port on the model.
Video Demonstration:
Official product video demonstrating the mechanical movement of the ROBOTIME LK802 Viking Dragon Ship's oars and internal gears, along with the illuminated dragon ridge.
5. Maintenance
- Storage: Store the model in a dry environment, away from direct sunlight and extreme temperature fluctuations, to prevent warping or damage to the wooden components.
- Cleaning: Use a soft, dry cloth to gently wipe dust from the model. Avoid using liquid cleaners or abrasive materials.
- Component Check: Periodically inspect all connections and moving parts to ensure they remain secure and operate smoothly.
6. Troubleshooting
- Parts Not Moving Smoothly:
Ensure all connections are fully seated and secure. Re-apply wax to any moving parts that feel stiff. Check for any misaligned gears, particularly the P19 gear, and ensure it is correctly positioned and seated as low as possible. - Missing Pieces:
If you discover any missing pieces during assembly, please contact customer support for assistance. - Light Not Working:
Verify that the USB-C cable is securely connected to both the model and a functional power source. Ensure the power source is active.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions (L x W x H) | 18.3 x 14.4 x 18.1 inches |
| Item Model Number | RBT-LK802 |
| Item Weight | 5.24 pounds |
| Number of Pieces | 229 |
| Recommended Age | 14 years and up |
| Assembly Time | Approximately 5 hours |

Dimensions of the assembled Viking Dragon Ship model.
8. Customer Support
ROBOTIME is committed to providing comprehensive assembly support. Should you encounter any challenges or require assistance during the assembly process or with any product-related inquiries, please do not hesitate to reach out to us. Your satisfaction is our priority.
For support, please visit the official ROBOTIME store on Amazon or contact us through the platform where you purchased the product.
9. Warranty Information
Specific warranty details for this product are not provided in the available information. For any warranty-related questions, please contact ROBOTIME customer support directly through the channels mentioned in the Customer Support section.
