1. Safety Information
CHOKING HAZARD - Small parts. Not for children under 3 years. Adult supervision is recommended during assembly for younger users.
2. Product Overview
The COBI BM-13 Katyusha (ZIS-6) is a detailed building block model representing the Soviet-made rocket launcher used during WWII. This 1:35 scale model is designed for enthusiasts and collectors, featuring accurate historical details and functional elements. The set includes 440 high-quality building blocks, two figures (an officer and a private), and an additional block with the model's name for display.
Key Features:
- 440 high-quality elements for a robust and detailed build.
- Includes two figures: an officer and a private, with detailed prints.
- An additional block with the model name for display purposes.
- Clear and intuitive instructions based on illustrations and step-by-step directions.
- Fully compatible with other brands of construction blocks.
3. What's in the Box
- 440 Building Blocks
- 2 Figures (Officer and Private)
- Instruction Manual
- Display Block with Model Name
4. Setup and Assembly
Assembly of the COBI BM-13 Katyusha (ZIS-6) model requires careful attention to the provided step-by-step instructions. Sort all building blocks by type and color before beginning. Follow the illustrated guide to connect the pieces securely. The model is designed for a precise fit, ensuring a stable and accurate replica.

Image 1: Front view of the COBI BM-13 Katyusha (ZIS-6) model box, showing the assembled vehicle and included figures.

Image 2: Front-side view of the assembled COBI BM-13 Katyusha (ZIS-6) model with two figures.

Image 3: Side view of the assembled COBI BM-13 Katyusha (ZIS-6) model, indicating its length of 20.5 cm (8 inches) and adjustable height.

Image 4: Top view of the assembled COBI BM-13 Katyusha (ZIS-6) model, showing its width of 7 cm (2.8 inches).
Product Overview Video
Video 1: A product overview video showcasing the COBI BM-13 Katyusha (ZIS-6) model and its features.
5. Operating Instructions
Once assembled, the COBI BM-13 Katyusha (ZIS-6) model offers several interactive features:
- Rotating Wheels: The model features functional rotating wheels equipped with tires, allowing for movement across surfaces.
- Adjustable Launcher Angle: The rocket launcher can be adjusted to various angles, mimicking its real-world functionality.
- Opening Vehicle Cabin: The vehicle's cabin doors can be opened, providing access to the interior details.
- Detachable Rockets: The M-13 rockets are designed to be detachable from the launcher.

Image 5: Close-up view of the COBI BM-13 Katyusha (ZIS-6) model, demonstrating the adjustable launcher angle and opening vehicle cabin.
6. Maintenance
To ensure the longevity and appearance of your COBI BM-13 Katyusha (ZIS-6) model, follow these maintenance guidelines:
- Cleaning: Dust the model regularly with a soft, dry cloth or a soft brush. For stubborn dirt, use a slightly damp cloth and dry immediately. Avoid harsh chemicals or abrasive cleaners.
- Storage: Store the model in a cool, dry place away from direct sunlight to prevent discoloration or material degradation. Keep it away from extreme temperatures.
- Handling: Handle the model with care to avoid accidental breakage of small parts.
7. Troubleshooting
If you encounter any issues during assembly or with the completed model, consider the following:
- Missing Parts: Double-check all packaging and bags. If parts are genuinely missing, contact COBI customer support with your model number and a description of the missing pieces.
- Assembly Difficulties: Review the instruction manual carefully, paying close attention to the illustrations. Sometimes a small detail can be overlooked. Ensure pieces are pressed firmly together.
- Loose Connections: If parts feel loose, ensure they are correctly aligned and fully engaged. COBI blocks are designed for a secure fit.
8. Specifications
| Attribute | Value |
|---|---|
| Product Dimensions | 8 x 2.8 x 6.7 inches |
| Item Weight | 1.21 pounds |
| ASIN | B0BSH4HSYV |
| Item Model Number | COBI-2280 |
| Manufacturer Recommended Age | 8 years and up |
| Release Date | February 7, 2023 |
| Manufacturer | COBI |
9. Warranty and Support
For any questions regarding your COBI BM-13 Katyusha (ZIS-6) model, including warranty information or technical support, please contact COBI customer service directly. Refer to the contact details provided on the product packaging or the official COBI website for assistance.





