1. Introduction and Overview
The COBI 1937 Horch 901 (Kfz.15) building block set allows you to construct a detailed replica of a historical German military off-road vehicle. Originally used by the German armed forces from 1937 to 1945, the Horch 901 served various roles, including staff transport, medical truck, communications vehicle, light artillery tractor, and supply carrier. This 185-piece set from the Historical Collection is designed for enthusiasts and collectors, offering an authentic building experience with high-quality, durable blocks.
The model features high-quality printed details that resist smudging and scratching, even during active play. It incorporates new types of blocks specifically designed for vehicle construction, enhancing the building process and allowing for creative modifications. Included with the set is a German driver figure equipped with binoculars, adding to the realism and playability of the model.

Image 1.1: Front view of the COBI 1937 Horch 901 (Kfz.15) packaging, showing the assembled model and included figure.
2. Safety Information
WARNING: CHOKING HAZARD - Small parts. This product contains small parts and is not suitable for children under 3 years of age. Adult supervision is recommended during assembly and play for younger users.
- Keep all packaging materials away from children to prevent suffocation.
- Ensure all pieces are securely connected during assembly to avoid loose parts.
- Do not ingest any parts of the building block set.
3. Package Contents
Your COBI 1937 Horch 901 (Kfz.15) set includes:
- 185 high-quality building blocks.
- 1 German driver figure with accessories (binoculars).
- 1 set of easy-to-follow pictorial instructions.
- 1 display plate with the vehicle's name.
Please verify all components are present before beginning assembly. If any parts are missing or damaged, please contact customer support.
4. Setup (Assembly Instructions)
Assembly of the COBI 1937 Horch 901 (Kfz.15) is designed to be straightforward and enjoyable. Follow the included step-by-step pictorial instructions carefully.
- Unpack Components: Carefully open the box and lay out all the building blocks and the instruction manual on a clean, flat surface.
- Follow Instructions: Refer to the provided instruction booklet. Each step is illustrated to guide you through the assembly process. Pay close attention to the orientation and placement of each block.
- Connect Blocks Securely: Ensure that each block is firmly pressed into place to create a stable and durable model.
- Assemble Figure: Construct the German driver figure according to the instructions and equip it with the binoculars.
- Final Touches: Once the vehicle is complete, attach the display plate.

Image 4.1: The fully assembled COBI Horch 901 (Kfz.15) model with the included driver figure.

Image 4.2: Front view of the assembled model, highlighting the vehicle's design.
5. Operating and Play Features
Once assembled, your COBI Horch 901 (Kfz.15) model is ready for display or imaginative play. The model is designed to be robust, with prints that will not fade or scratch easily, even with frequent handling.
- Movable Parts: The wheels are designed to roll, allowing for dynamic play scenarios.
- Figure Interaction: The included driver figure can be placed inside the vehicle or used independently to enhance storytelling.
- Glow-in-the-Dark Elements: Certain elements of the model, such as the headlights, are designed to glow in the dark, adding a unique visual effect. Expose these parts to light for a period to activate the glow feature.

Image 5.1: Close-up showing the glow-in-the-dark feature of the headlights.
6. Maintenance and Care
To ensure the longevity and appearance of your COBI building block model, follow these simple care guidelines:
- Cleaning: Dust the model regularly with a soft, dry cloth or a soft brush. For more thorough cleaning, gently wipe with a damp cloth and mild soap, then rinse with clean water and air dry completely. Avoid harsh chemicals or abrasive materials.
- Storage: Store the model in a cool, dry place away from direct sunlight to prevent discoloration or warping of the plastic blocks.
- Handling: Handle the model with care to avoid accidental disassembly or damage to delicate parts.
7. Troubleshooting
If you encounter any issues during assembly or with the completed model, consider the following:
- Missing or Damaged Parts: If you find any missing or damaged blocks, please contact COBI customer support with your model number (2405) and a description of the part needed.
- Difficulty Connecting Blocks: Ensure blocks are aligned correctly and apply firm, even pressure. If a block is particularly stubborn, check for any debris or manufacturing imperfections.
- Model Instability: Re-check previous assembly steps to ensure all connections are secure and no steps were missed. Sometimes a small misalignment can affect overall stability.
8. Specifications
Detailed specifications for the COBI 1937 Horch 901 (Kfz.15) building block set:
| Feature | Detail |
|---|---|
| Model Name | 1937 Horch 901 (Kfz.15) German Off-Road Car |
| Model Number | 2405 |
| Brand | COBI |
| Number of Pieces | 185 |
| Material | Plastic |
| Color | Black |
| Product Dimensions (assembled) | Approximately 13 cm (5.1 inches) long, 5.5 cm (2.2 inches) high |
| Recommended Age | 6 years and up |
| Educational Objective | Building Skills |
| Batteries Required | No |
| Remote Control Included | No |

Image 8.1: Diagram showing the approximate dimensions of the assembled model.

Image 8.2: Information card detailing historical specifications of the actual 1937 Horch 901 (Kfz.15) vehicle.
9. Warranty Information
COBI products are manufactured to high-quality standards. For specific warranty details regarding manufacturing defects or missing parts, please refer to the warranty information provided on the product packaging or contact COBI customer support directly. Please retain your proof of purchase for any warranty claims.
10. Support
For further assistance, questions, or to report missing/damaged parts, please contact COBI customer support. You can typically find contact information on the product packaging or on the official COBI website.
- Online Support: Visit the official COBI website for FAQs and contact forms.
- Email Support: Refer to the packaging for a customer service email address.





