Discover the unique UGEARS Heavy Boy VM-03 – a precise 3D wooden mechanical puzzle of an American semi truck. The model features opening doors and hood, a working gearbox with neutral and reverse, steerability, a wind-up mechanism with a range of over 4 m, and a spring-suspended front axle. Enjoy a breathtaking view of the engine piston movement and an exceptional building experience.
Discover the unique UGEARS Heavy Boy VM-03 – a precise 3D wooden mechanical puzzle of an American semi truck. The model features opening doors and hood, a working gearbox with neutral and reverse, steerability, a wind-up mechanism with a range of over 4 m, and a spring-suspended front axle. Enjoy a breathtaking view of the engine piston movement and an exceptional building experience.
Functional mechanics with a range of over 4 meters
The rubber-band wind-up drive propels the truck for more than 4 meters. Enjoy smooth running and realistic behavior thanks to the well-designed transmission.
Detailed design and engine piston movement
The opening hood reveals the engine, where you can observe the pistons at work. Precisely cut parts create a faithful likeness of a classic American semi.
Opening elements, steering, and suspension
The model offers opening doors, a working gearbox with neutral and reverse, steerable wheels, and a sprung front axle for realistic driving dynamics.
UGEARS Heavy Boy VM-03 is a realistic model of an American semi made from quality plywood that will delight fans of mechanics, modeling, and design. Thanks to the ingenious rubber-band wind-up drive, the model can drive on its own for over 4 meters on a single wind. The detailed mechanics let you watch the engine at work, including the movement of the pistons.
The model is equipped with opening doors and hood, a working gearbox (neutral and reverse), steerable wheels, and a sprung front axle. A stylish shovel is included as a loose accessory. For an even greater experience, the model can be expanded with a compatible trailer.
- Mechanical drive – wind-up mechanism with smooth operation and long range.
- Realistic features – opening parts, gearbox, steering, suspension.
- 541 laser-cut pieces – high precision and perfect fit.
- A challenge for experts – high difficulty and 8–9 hours build time.
- No glue – clean, pleasantly scented woodwork, made in Ukraine.
