1. Introduction
This manual provides detailed instructions for the assembly and operation of the K96214 Simulation 9-cylinder Radial Aircraft Engine Building Block Model. Designed for enthusiasts aged 6 and above, this model offers a hands-on experience in understanding mechanical engineering principles through building. The kit includes approximately 1100 pieces, allowing for the construction of a highly detailed and functional replica of a radial aircraft engine, complete with a motor and light features.

2. Product Overview
The K96214 model is a simulation of a star-shaped aviation engine, meticulously designed to reproduce the mechanical layout of horizontally opposed engines. It features precise piston motion, rotatable fan blades, and an internal mechanical transmission system. The model can be hand-cranked for angle adjustment and includes a motor for powered operation, along with light components to enhance its display. This high-fidelity model is an excellent tool for nurturing interest in physics and engineering.


3. Package Contents
Please verify that all components are present before beginning assembly:
- Building Blocks (approx. 1100 pieces)
- Instruction Manual
- 1x Battery Box
- 1x M-Motor
- 2x Light Assembly Parts

4. Assembly Instructions
The K96214 model is designed for a smooth and engaging assembly process. Follow the included instruction manual step-by-step to construct the radial aircraft engine. The high precision parts ensure tight seams and a satisfying build experience.
- Unpack Components: Carefully open the package and lay out all building blocks and accessories. Refer to the parts list in the instruction manual to ensure all pieces are present.
- Follow Manual: Adhere strictly to the step-by-step diagrams and instructions provided in the dedicated assembly manual. Each step is designed to guide you through the complex mechanical layout.
- Motor and Light Integration: During the assembly, integrate the M-motor and light assembly parts as indicated in the manual. Ensure all connections are secure for proper functionality.
- Test Mechanisms: Periodically test the moving parts, such as the pistons and fan blades, to ensure they move freely as you build.
- Final Check: Once assembly is complete, review the model against the final images in the manual to confirm correct construction.

5. Operating Instructions
The K96214 model offers both manual and powered operation for its mechanical features.
5.1 Manual Operation
- Hand Crank: Use the integrated hand crank mechanism to manually adjust the engine's angle and observe the internal mechanical transmission system and piston motion.
- Fan Blades: The upper and lower fan blades can be rotated manually to demonstrate their movement.
5.2 Powered Operation (Light Version)
- Install Batteries: Insert the required lithium batteries (not included) into the battery box. Ensure correct polarity.
- Connect Motor: Connect the M-motor to the designated port on the battery box or control unit, as shown in the assembly manual.
- Activate: Turn on the power switch on the battery box to activate the motor and observe the powered rotation of the engine components and the illumination of the light parts.

6. Maintenance
To ensure the longevity and optimal performance of your K96214 model, follow these maintenance guidelines:
- Cleaning: Dust the model regularly with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the model in a cool, dry place away from direct sunlight and extreme temperatures to prevent material degradation.
- Battery Care: If the model will not be used for an extended period, remove the batteries from the battery box to prevent leakage and damage.
- Check Connections: Periodically check all block connections to ensure they remain tight. Reassemble any loose sections as needed.
7. Troubleshooting
If you encounter any issues with your K96214 model, refer to the following common troubleshooting steps:
- Motor Not Working:
- Ensure batteries are correctly installed in the battery box with the correct polarity.
- Check if the batteries are fully charged or replace them with new ones.
- Verify that the M-motor is securely connected to the battery box/control unit.
- Ensure no blocks are obstructing the motor's movement or the gears.
- Lights Not Illuminating:
- Check battery power as described above.
- Ensure the light assembly parts are correctly connected and not damaged.
- Parts Not Fitting/Loose:
- Refer back to the instruction manual to ensure you are using the correct pieces for each step.
- Apply gentle, firm pressure to connect blocks. Avoid excessive force.
- If a section feels loose, disassemble and reassemble it carefully.
- Missing Pieces: If you discover any missing pieces upon initial inspection, please contact customer support with your purchase details.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | K96214 |
| Brand Name | stemedu |
| Particle Count | Approximately 1100 pieces |
| Product Dimensions (L x W x H) | 23.8 cm x 21.4 cm x 42.6 cm |
| Package Dimensions (L x W x H) | 33 cm x 26.5 cm x 13 cm |
| Material | ABS Plastic |
| Block Size | Small building block (Compatible with Lego) |
| Electric Components | Includes M-Motor and Light Parts (powered by Lithium Battery, not included) |
| Recommended Age | 14+ years, 18+ years |
| Gender | Unisex |
| Origin | Mainland China |

9. User Tips
- Organize Parts: Before starting, sort the building blocks by color or type to streamline the assembly process.
- Patience is Key: Building intricate models requires patience. Take breaks if needed and enjoy the process.
- Educational Value: Use the assembly process as an opportunity to learn about the mechanics of radial engines and internal combustion.
- Display: Once assembled, the model makes an excellent desktop display piece, adding a unique mechanical and industrial aesthetic to your space.

10. Safety Information
- Choking Hazard: This product contains small parts and is not suitable for children under 3 years old. DO NOT EAT any parts.
- Chemical Warning: ⚠ WARNING: This product can expose you to chemicals including phthalates (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
- Battery Safety: Use appropriate batteries for the battery box. Do not mix old and new batteries, or different types of batteries. Dispose of batteries responsibly.
11. Warranty and Support
For any questions, concerns, or support regarding your K96214 Radial Aircraft Engine Building Block Model, please contact the seller directly. Keep your purchase receipt as proof of purchase.




