LEGO® - Technic - 42020 - Helicopter

LEGO® Technic 42020 – Twin-rotor Helicopter brings the fascinating world of aviation and rescue operations directly into your LEGO® collection! This technical building set allows fans to construct a detailed twin-rotor helicopter while discovering the basic principles of mechanical gears and moving components.

The centerpiece of the set is a rescue-themed helicopter featuring two large rotors, a distinctive blue-and-white design, and a detailed mechanical structure. The model takes inspiration from real transport helicopters used for carrying equipment, delivering supplies, and performing rescue missions.

One of the set's most exciting features is its pair of mechanically linked spinning rotors. Thanks to a system of interconnected gears, turning one rotor also causes the other to rotate. This clever mechanism allows builders to explore how simple mechanical transmissions work.

The helicopter also features an opening cargo door, inspired by the practical design of real transport aircraft. This functional detail allows children to create imaginative rescue operations, supply deliveries, and transport missions.

A turning front landing wheel makes it easy to maneuver the helicopter along the ground, adding another realistic function to the model.

One of the greatest advantages of this building set is its LEGO® Technic 2-in-1 design, allowing builders to create two different aircraft using the same collection of bricks:

• Twin-rotor Helicopter – A detailed rescue helicopter with mechanically connected rotors, an opening cargo door, and a turning front wheel.

• Single-rotor Helicopter – An alternative helicopter design featuring one main rotor and a different building experience.

As part of the LEGO® Technic collection, this set introduces builders to engineering and mechanics through working models. Its simple gear mechanisms and movable components make it especially suitable for younger fans beginning their journey into technical LEGO® construction.

Originally released in 2014, this building set has since been retired from production. Combining authentic aircraft design, mechanical functions, and two different building options, it makes an appealing addition to any LEGO® Technic collection.

Key Features:

• 145 LEGO® building pieces.

• Detailed twin-rotor rescue helicopter model.

• LEGO® Technic 2-in-1 building concept.

• Rebuildable into a single-rotor helicopter.

• Two mechanically linked spinning rotors.

• Interconnected gears that make both rotors spin together.

• Opening cargo door.

• Turning front landing wheel.

• Authentic blue-and-white rescue-themed design.

• Mechanical functions that require no batteries.

• Perfect for imaginative rescue and transport missions.

• Introduces the fundamentals of gears and mechanical movement.

• Suitable for both play and display.

• LEGO® Technic building set released in 2014.

• Retired LEGO® product.

• Recommended age: 7–14 years.

Twin-rotor Helicopter Dimensions:

• Height: Approximately 8 cm.

• Length: Approximately 22 cm.

• Width: Approximately 13 cm.

This LEGO® Technic building set makes an excellent gift for aviation enthusiasts, engineering fans, and LEGO® collectors. Combining interconnected spinning rotors, an opening cargo door, and an alternative helicopter design, LEGO® Technic Twin-rotor Helicopter offers an enjoyable building experience and an exciting introduction to the world of mechanical engineering.