wooden mechanical construction kit truck ugears heavy boy vm-03

61679-0
€74.50
Last piece in stock
In stock, at your place: Thursday (28. 8. 2025)
UGEARS Heavy Boy VM-03: wooden mechanical semi-truck kit with working gearbox, steering, and a range of over 4 m. 541 parts, high difficulty.

wooden mechanical construction kit truck ugears heavy boy vm-03

61679-0
UGEARS Heavy Boy VM-03: wooden mechanical semi-truck kit with working gearbox, steering, and a range of over 4 m. 541 parts, high difficulty.
€74.50
Last piece in stock
In stock, at your place: Thursday (28. 8. 2025)
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

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

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

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.

Specifications

Model
UGEARS Heavy Boy VM-03
Type
3D wooden mechanical puzzle / semi-truck kit
Material
Wood (plywood)
Number of parts
541
Difficulty
High
Assembly time
8–9 hours
Age
14+
Drive
Wind-up (rubber-band) mechanism
Transmission
Neutral and reverse
Features
Opening doors and hood, steerable wheels, sprung front axle, engine piston movement
Range
Over 4 meters per wind
Model dimensions
38 × 17.8 × 13.5 cm
Package dimensions
37.8 × 17 × 5 cm
Accessories
Option to expand with a trailer (sold separately)
Country of origin
Designed and made in Ukraine
€74.50