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LEGO Technic Ultralight Helicopter 42057 Advance Building Set

4.7 4.7 out of 5 stars 716 ratings

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Purchase options and add-ons

  • Features a high-tech aerodynamic design, open cockpit with detailed seat, spinning main and tail rotors, controllable tail rudder, and a detailed engine with moving pistons
  • A uniquely decorated LEGO® Technic 40th Anniversary brick is included with this model
  • 2-in-1 model: rebuilds into an Experimental Aircraft- interactive, 3D digital LEGO® Building Instructions app available online for both A and B models, ask your parents’ permission
  • Ultralight Helicopter measures over 4” (12cm) high, 9” (25cm) long and 7” (18cm) wide

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LEGO Technic Ultralight Helicopter 42057 Advance Building Set


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Product Description

Enjoy aerial adventures with this aerodynamic one-man helicopter, featuring spinning main and tail rotors, controllable tail rudder, detailed engine with moving pistons, open cockpit with detailed seat, and a white, red and black color scheme with a selection of stickers for an authentic helicopter look. This robust 2-in-1 LEGO® Technic building set can be rebuilt to create an Experimental Aircraft, providing a double build-and-play experience. Both models in this vehicle set can be built by following the free interactive, 3D digital LEGO Building Instructions app.

Important information

Safety Information

No


From the manufacturer


LEGO Technic - Ultralight Helicopter

  • A uniquely decorated LEGO Technic 40th Anniversary brick is included with this model.
  • This LEGO Technic model is designed to provide an immersive and rewarding building experience.
  • This set offers an age-appropriate build-and-play experience for ages 8-14.
  • Interactive, 3D digital LEGO Building Instructions app available online for both A and B models. Ask your parents’ permission.

Take to the skies with the Ultralight Helicopter!

Enjoy aerial adventures with this aerodynamic one-man helicopter, featuring spinning main and tail rotors, controllable tail rudder, detailed engine with moving pistons, open cockpit with detailed seat, and a white, red and black color scheme with a selection of stickers for an authentic helicopter look. This robust 2-in-1 LEGO Technic model can be rebuilt to create an Experimental Aircraft, providing a double build-and-play experience. Both models can be built by following the free interactive, 3D digital LEGO Building Instructions app.

  • Ultralight Helicopter measures over 4” (12cm) high, 9” (25cm) long and 7” (18cm) wide.
  • Experimental Aircraft measures over 3” (9cm) high, 7” (18cm) long and 7” (19cm) wide.

Explore the many features & functionalities

Features a high-tech aerodynamic design, open cockpit with detailed seat, spinning main and tail rotors, controllable tail rudder, and a detailed engine with moving pistons.

Spin the gearwheel and see the rotors and engine spring to life.

Move the joystick to operate the tail rudder.

Check out the white, red and black color scheme with cool stickers.

2-in-1 model: rebuilds into an Experimental Aircraft.

LEGO Technic: Stunt Bike LEGO Technic: Stunt Truck LEGO Technic: Roadwork Crew LEGO Technic: Heavy Lift Helicopter LEGO Technic: CLAAS XERION 5000 TRAC VC LEGO Technic: Porsche 911 GT3 RS
Customer Reviews
4.7 out of 5 stars
480
4.6 out of 5 stars
527
4.6 out of 5 stars
203
4.3 out of 5 stars
75
4.6 out of 5 stars
208
4.7 out of 5 stars
618
Product Number 42058 42059 42060 42052 42054 42056
Number of Pieces 140 142 365 1042 353 2704
Recommended Age 7 - 14 7 - 14 8 - 14 10 - 16 9 - 16 16+

What's in the box

  • LEGO Building Elements
  • Product guides and documents

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    716 global ratings

    Customers say

    Customers like the quality, ease of construction, and instructions of the toy building block. For example, they mention it's a nice overall toy, has lots of decals, and is a good challenge for young builders. That said, opinions are mixed on the value.

    AI-generated from the text of customer reviews

    22 customers mention22 positive0 negative

    Customers are satisfied with the quality of the toy building blocks. They mention it's a nice overall toy, a solid Technic model, and a good STEM project for this age group.

    "It is a very solid set. It is simple and easy to build it for me but it is fun to build it with my kid...." Read more

    "Very cool and complex build that my 6 year old needed help with...." Read more

    "...Very cool build!" Read more

    "...If your kiddo needs a little more of a challenging build, this is a great kit." Read more

    10 customers mention10 positive0 negative

    Customers find the toy building blocks easy to assemble. They also say it's a fun technic kit with lots of decals. Customers also say the set is an educational and great product for a grandson.

    "...It is simple and easy to build it for me but it is fun to build it with my kid...." Read more

    "...He loved it and it was a good challenge for him. If your kiddo needs a little more of a challenging build, this is a great kit." Read more

    "...Fun to build and re-build in the alternate configuration! Kind-of works with a mini fig, but not exactly. Lots of decals" Read more

    "Perfect level of challenge for young lad. Very good STEM project for this age group. Well received." Read more

    5 customers mention5 positive0 negative

    Customers find the instructions for the toy building block simple and easy to follow. They say it's a great model to introduce a builder to Technic models. However, some customers mention that the instructions are a little more advanced and better quality than regular Legos.

    "It is a very solid set. It is simple and easy to build it for me but it is fun to build it with my kid...." Read more

    "Very cool and complex build that my 6 year old needed help with...." Read more

    "found a great price on Amazon compared to retail stores. easy instructions and great gift" Read more

    "No new building techniques of innovative features. A solid Technic model at a reasonable price...." Read more

    3 customers mention3 positive0 negative

    Customers like the gears in the toy building block. They mention that the gear is neat and the mechanic on the little airplane is great setup.

    "...Also, the mechanic on this little airplane is great setup. For adult, it might be simple, but for young mind, it is awesome...." Read more

    "5 and a half year old loved putting this together. He likes how you can see the gears. Might have to get one that has a motor for him next time." Read more

    "Neat gears, 7 year old loves it." Read more

    6 customers mention4 positive2 negative

    Customers are mixed about the value of the toy building blocks. Some mention it's a good value on set not carried by local stores, while others say it'd be overpriced.

    "...A solid Technic model at a reasonable price. A nice model to introduce a builder to Technic models...." Read more

    "To pricy, but my cousin loves it" Read more

    "Good value on set not carried by local stores." Read more

    "good price..." Read more

    Overpriced, Awesome but overpriced
    3 Stars
    Overpriced, Awesome but overpriced
    Kidde loved it on Christmas morning but obviously I should have looked deeper before ordering(my fault), this has was more expensive than the NASA Perseverance Mars Rover. This has 199 pieces the Mars Rover kit has 1,132
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    Top reviews from the United States

    Reviewed in the United States on February 28, 2018
    5 people found this helpful
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    Reviewed in the United States on March 23, 2018
    Reviewed in the United States on July 14, 2018
    One person found this helpful
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    Reviewed in the United States on January 8, 2019
    One person found this helpful
    Report
    Reviewed in the United States on August 1, 2017
    Reviewed in the United States on February 5, 2020
    Reviewed in the United States on March 21, 2020
    Reviewed in the United States on August 18, 2017
    6 people found this helpful
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    Top reviews from other countries

    Translate all reviews to English
    Rhonda
    5.0 out of 5 stars It's LEGO
    Reviewed in Canada on December 31, 2018
    Cliente de Amazon
    5.0 out of 5 stars Creativo y entretenido, aunque complicado si no se siguen las instrucciones
    Reviewed in Mexico on May 23, 2018
    2 people found this helpful
    Report
    tony england
    5.0 out of 5 stars Value item inTechnic Lego
    Reviewed in the United Kingdom on January 23, 2019
    Samsung fridge owner
    5.0 out of 5 stars Very fast delivery from US
    Reviewed in Australia on July 21, 2020
    Linda
    5.0 out of 5 stars Quality guaranteed!
    Reviewed in Singapore on July 12, 2020