Introduction
The Quercetti Isotta Discovery Car is an engaging and original transparent car designed to introduce children to the fundamental principles of mechanical engineering. This manual provides essential information for assembly, operation, maintenance, and safety to ensure a rewarding educational experience.

Image: A child interacting with the fully assembled Isotta Discovery Car.
Safety Information
This product contains small parts and is a choking hazard for children under 3 years of age. Adult supervision is recommended during assembly and play. Ensure all parts are securely connected before use. The toy is made with high-quality, non-toxic, and shatterproof materials to ensure maximum safety and durability.
- Choking Hazard: Not suitable for children under 3 years due to small parts.
- Adult Supervision: Always supervise young children during play.
- Material Safety: Constructed from non-toxic and shatterproof materials.
Package Contents
The Quercetti Isotta Discovery Car package includes the following components:
- 1 x Chassis
- 4 x Wheels (2 steering wheels, 2 fixed wheels)
- 1 x 3-Piston Engine Unit
- 1 x Gear Box with 2 gears and neutral setting
- 1 x Differential Unit
- 1 x Steering Wheel

Image: Quercetti Isotta Discovery Car retail packaging.
Setup and Assembly
The Isotta Discovery Car is designed for easy assembly, allowing children aged 3 and up to quickly build and understand its mechanics. The main components are large and fit together intuitively.
- Chassis Preparation: Place the red chassis on a flat surface.
- Differential Unit Installation: Mount the differential unit onto the rear section of the chassis. This unit allows the wheels to rotate at different speeds when turning.
- Gear Box Placement: Position the gear box unit in the central section of the chassis. This unit transfers power from the engine to the differential.
- Engine Unit Attachment: Secure the 3-piston engine unit to the front section of the chassis. Ensure the fan aligns with the crankshaft mechanism.
- Steering Wheel Connection: Attach the steering wheel to its designated post on the chassis, connecting it to the front steering mechanism.
- Wheel Installation: Attach the four blue wheels to their respective axles on the chassis. The front wheels are designed for steering, while the rear wheels are driven by the engine.

Image: Top-down view of the Isotta Discovery Car, highlighting component placement.
Operating Instructions
Once assembled, the Isotta Discovery Car allows for interactive learning about car mechanics:
- Engine Function: Observe the front fan. As it twirls, it causes the crankshaft to move, which in turn makes the pistons move up and down in succession, simulating a real engine.
- Gear Shifting: The gear box features a switch that allows you to change between two gears and a neutral setting. Experiment with different gear settings to understand how they alter the power transfer to the wheels.
- Power Transfer: Watch how the middle gears transfer power from the engine unit through the gearbox to the differential unit and finally to the rear wheels.
- Differential Unit: Turn the car and observe the differential unit. This mechanism allows the wheels to rotate at different speeds, which is crucial for smooth turning.
- Steering: Use the steering wheel to control the direction of the front wheels, demonstrating basic steering principles.
Video: An official demonstration of the Quercetti Isotta Discovery Car, showcasing its assembly and the movement of its internal components like pistons, gears, and the differential unit in action.
Maintenance
To ensure the longevity and optimal performance of your Isotta Discovery Car, follow these simple maintenance guidelines:
- Cleaning: Wipe the car with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners, as these may damage the plastic.
- Storage: Store the car in a cool, dry place away from direct sunlight to prevent material degradation.
- Inspection: Periodically check all connections and moving parts to ensure they are secure and functioning correctly.
Troubleshooting
If you encounter any issues with your Isotta Discovery Car, consider the following:
- Parts Not Moving: Ensure all components (engine, gearbox, differential) are correctly aligned and securely snapped into place on the chassis.
- Wheels Not Turning Smoothly: Check for any obstructions around the axles or within the gear mechanisms. Ensure the wheels are properly attached.
- Steering Issues: Verify that the steering wheel is firmly connected and that the front steering mechanism is free of debris.
Specifications
| Product Dimensions | 13.39 x 3.54 x 15.75 inches |
| Item Weight | 2.35 pounds |
| Model Number | 8515 |
| Manufacturer Recommended Age | 36 months - 6 years |
| Material | High-quality, non-toxic, shatterproof plastic |
| Origin | Made in Italy |
Warranty and Support
Quercetti products are manufactured to high-quality standards. For any questions, concerns, or support regarding your Isotta Discovery Car, please visit the official Quercetti website or contact their customer service department. While specific warranty details are not provided in this manual, Quercetti is known for its durable products.
You can find more information and contact details by visiting the Quercetti Store on Amazon.