Soar into Adventure!
With the Ultralight Helicopter

Build and pilot this awesome 199-piece LEGO Technic model! Then rebuild it into an Experimental Aircraft for even more fun.

🏛 Technic
Set #42057

Ultralight Helicopter

Ultralight Helicopter is a surprisingly fun and engaging Technic set.

🏆 Best For: Ideal for younger builders and those new to LEGO Technic, offering a gentle introduction to gears and mechanical functions. ⏱ 1.5 hr build 🧩 199 pcs
★★★☆☆ 3.8

Fans appreciate the simple yet functional design and the set's value as an introductory Technic model. Some find the build too basic and lacking in advanced features, but overall it's considered a decent set for its price point.

MSRP
$19.99
Best Price
$17.99
You Save
10% OFF
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📝 Our Take

Ultralight Helicopter is a surprisingly fun and engaging Technic set. Despite its relatively small size and piece count, it offers a rewarding building experience and a decent introduction to Technic principles.

This set is perfect for Technic beginners and younger builders. The build is straightforward, providing a good learning experience without being overly complex or frustrating. It also makes a nice, compact display piece.

Skip this if you are an experienced Technic builder seeking a challenging project. You might find this set too simple and quick to build. Consider larger, more intricate Technic models for a more substantial experience.

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How does this set compare to other entry-level Technic sets in terms of building experience? What are some alternative models I could build using the parts from this set? Is this set a good introduction to Technic for younger builders? How much is this set likely to appreciate in value over the next few years?

🧱 Building Experience

🧩
199
Pieces
1.5h
Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Simple gear mechanisms to understand basic Technic principles
  • Straightforward construction with clearly illustrated instructions
  • Compact size makes it easy to handle and display
  • Working rotor and tail rotor provide interactive play features

📈 Investment Analysis

↑ Trending up since release
B
Investment Grade
⏳ Appreciating
The Ultralight Helicopter (42057-1) presents a moderate investment opportunity. As a retired set, its value has already begun to climb, and its relatively low piece count makes it an accessible entry point for collectors. However, its initial low MSRP and the fact that it's not based on a licensed property limit its potential for explosive growth. While it's unlikely to become a highly sought-after grail, it should continue to appreciate at a steady pace, especially if kept in pristine condition. The Technic theme generally holds value well, and this set benefits from being a unique and visually appealing model.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

Compare Similar Sets

Compared to other small Technic sets, the Ultralight Helicopter provides a good balance of simplicity and functionality. Sets like the LEGO Technic Race Kart (42048-1) offer a similar building experience in a different vehicle style. If you're looking for something slightly more complex, consider the LEGO Technic Stunt Bike (42058-1), which includes a pull-back motor for added playability. This set is a solid choice for those who prefer helicopters or want a quick and satisfying Technic build.

📦 Full Parts Inventory - 78 unique parts • 195 total pieces

Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle Technic Axle Pin ...
Part #: 11214 Dark Bluish Gray
Technic Beam 1 x 5 Thin with Axle Holes on Ends Technic Beam 1 x ...
Part #: 11478 Black
Technic Panel Fairing #21 5L Small Smooth, Side B Technic Panel Fai...
Part #: 11946 White
Technic Panel Fairing #22 5L Small Smooth, Side A Technic Panel Fai...
Part #: 11947 White
Wheel 18 x 8 with Fake Bolts and Deep Spokes with Inner Ring Wheel 18 x 8 with...
Part #: 13971 Light Bluish Gray
Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise Technic Pin Conne...
Part #: 15100 Black
Technic Axle 5 with Stop Technic Axle 5 wi...
Part #: 15462 Reddish Brown
Propeller 3 Blade 9 Diameter with Pin Hole, Recessed Center Propeller 3 Blade...
Part #: 15790 Black
Technic Steering Wheel Pilot's Yoke [Hollow Stud, Axle Hole with + Opening] Technic Steering ...
Part #: 18352 Dark Bluish Gray
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Technic Gear 20 T...
Part #: 18575 Tan
Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle Technic Axle Pin ...
Part #: 18651 Black
Technic Pin Connector Round 1L [Beam] Technic Pin Conne...
Part #: 18654 Dark Bluish Gray
Technic Pin Connector Hub with 1 Axle Technic Pin Conne...
Part #: 22961 Light Bluish Gray
Technic Panel Curved and Bent 6 x 3 Technic Panel Cur...
Part #: 24116 Dark Bluish Gray
Technic Axle 3 with Stop Technic Axle 3 wi...
Part #: 24316 Reddish Brown
Technic Axle Towball Technic Axle Towball
Part #: 2736 Light Bluish Gray
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 15× Black
Technic Pin Connector Hub with 2 Axles Technic Pin Conne...
Part #: 27940 Dark Bluish Gray
Technic Beam 1 x 4 Thin with Stud Connector Technic Beam 1 x ...
Part #: 2825 Black
Technic Engine Cylinder without Side Slots, with Bottom Slots Technic Engine Cy...
Part #: 2850b Light Bluish Gray
Technic Engine Piston Round Technic Engine Pi...
Part #: 2851 Yellow
Technic Engine Connecting Rod Technic Engine Co...
Part #: 2852 Light Bluish Gray
Technic Engine Crankshaft Technic Engine Cr...
Part #: 2853 Yellow
Technic Engine Crankshaft Center Technic Engine Cr...
Part #: 2854 Tan
Sticker Sheet for Set 42057-1 Sticker Sheet for...
Part #: 29041 [No Color/Any Color]
Technic Pin 3/4 Technic Pin 3/4
Part #: 32002 Tan
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 White
Technic Axle and Pin Connector Angled #3 - 157.5° Technic Axle and ...
Part #: 32016 Black
Technic Beam 1 x 5 Thin Technic Beam 1 x ...
Part #: 32017 Light Bluish Gray
Technic Axle and Pin Connector Angled #2 - 180° Technic Axle and ...
Part #: 32034 Black
Technic Axle Connector with Axle Hole Technic Axle Conn...
Part #: 32039 Black
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 Black
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 Red
Technic Beam 1 x 6 Thin Technic Beam 1 x ...
Part #: 32063 White
Technic Axle 5 Technic Axle 5
Part #: 32073 Light Bluish Gray
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Technic Bush 1/2 ...
Part #: 32123b Light Bluish Gray
Technic Beam 2 x 4 L-Shape Thick Technic Beam 2 x ...
Part #: 32140 White
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole Technic Axle and ...
Part #: 32184 Black
Technic Axle and Pin Connector Angled #4 - 135° Technic Axle and ...
Part #: 32192 Red
Technic Gear 12 Tooth Double Bevel Technic Gear 12 T...
Part #: 32270 Black
Technic Axle and Pin Connector Perpendicular Double Technic Axle and ...
Part #: 32291 Black
Technic Link 1 x 9 Technic Link 1 x 9
Part #: 32293 Black
Technic Beam 1 x 3 Thick Technic Beam 1 x ...
Part #: 32523 White
Technic Beam 1 x 3 Thick with Black '40 1977 - 2017' and 24 Tooth Gear Print Technic Beam 1 x ...
Part #: 32523pr0001 White
Technic Beam 1 x 11 Thick Technic Beam 1 x ...
Part #: 32525 Black
Technic Beam 3 x 5 L-Shape Thick Technic Beam 3 x ...
Part #: 32526 White
Technic Pin Long without Friction Ridges Technic Pin Long ...
Part #: 32556 Tan
Technic Axle 4 Technic Axle 4
Part #: 3705 Black
Technic Axle 6 Technic Axle 6
Part #: 3706 Black
Technic Bush Technic Bush
Part #: 3713 Light Bluish Gray
Technic Axle Pin without Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 3749 Tan
Technic Beam 1 x 2 Thin Technic Beam 1 x ...
Part #: 41677 11× Black
Wheel 11 x 8 with Center Groove Wheel 11 x 8 with...
Part #: 42610 Light Bluish Gray
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 Blue
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 Blue
Technic Axle 7 Technic Axle 7
Part #: 44294 Yellow
Technic Axle 3 Technic Axle 3
Part #: 4519 Light Bluish Gray
Technic Axle Connector Hub with 3 Axles at 120° Technic Axle Conn...
Part #: 57585 Light Bluish Gray
Technic Axle 5.5 with Stop [Rounded Short End] Technic Axle 5.5 ...
Part #: 59426 Dark Bluish Gray
Technic Axle Connector Smooth [with x Hole + Orientation] Technic Axle Conn...
Part #: 59443 Black
Technic Beam 1 x 2 Thick with Pin Hole and Axle Hole Technic Beam 1 x ...
Part #: 60483 Black
Technic Beam 3 x 3 T-Shape Thick Technic Beam 3 x ...
Part #: 60484 Black
Tyre Offset Tread with Center Band 23 x 7 Tyre Offset Tread...
Part #: 61254 Black
Large Figure Wing, Small Large Figure Wing...
Part #: 61800 White
Technic Axle and Pin Connector Perpendicular Triple Technic Axle and ...
Part #: 63869 Black
Technic Panel Fairing # 4 Small Smooth Long, Side B Technic Panel Fai...
Part #: 64391 White
Technic Panel Fairing # 3 Small Smooth Long, Side A Technic Panel Fai...
Part #: 64683 White
Technic Axle and Pin Connector Perpendicular Technic Axle and ...
Part #: 6536 White
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Technic Pin Long ...
Part #: 6558 11× Blue
Technic Gear 12 Tooth Bevel Technic Gear 12 T...
Part #: 6589 Tan
Technic Pin with Friction Ridges Lengthwise and Towball Technic Pin with ...
Part #: 6628 Black
Hose Rigid 3mm D. 9L / 7.2cm Hose Rigid 3mm D....
Part #: 75c09 Black
Technic Panel Fairing #1 Small Smooth Short, Side A Technic Panel Fai...
Part #: 87080 White
Technic Pin Connector Hub with 2 Pins with Friction Ridges Lengthwise [Big Squared Pin Holes] Technic Pin Conne...
Part #: 87082 Red
Technic Axle 4 with Stop Technic Axle 4 wi...
Part #: 87083 Dark Bluish Gray
Technic Panel Fairing #2 Small Smooth Short, Side B Technic Panel Fai...
Part #: 87086 White
Tyre 17.5 x 6 with Shallow Staggered Treads and Middle Band Tyre 17.5 x 6 wit...
Part #: 92409 Black
Technic Rotor Blade Small with Hole and Axle Connector End Technic Rotor Bla...
Part #: 99012 Dark Bluish Gray
The set offers a good selection of Technic pins and connectors, useful for expanding a Technic builder's parts library. The inclusion of several gears also makes it a valuable source for creating small mechanical functions in MOCs.

🛒 Where to Buy

eBay
✓ In Stock
$17.99
Walmart
✓ In Stock
$18.99
Target
✓ In Stock
$19.99
Amazon

💎 Notable Parts

Black Technic Pin with Friction Ridges Lengthwise and Center Slots (15x) $0.75
Blue Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots (11x) $1.10
Black Technic Beam 1 x 2 Thin (11x) $0.55
Tan Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] (3x) $0.90
Est. BrickLink Part Value
$3.30

💡 MOC Potential

🚗 Convert into a small airplane or drone design
🤖 Use the parts to create a small walking robot or mech
🚗 Build a miniature off-road vehicle or quad bike

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 7 videos
3.0 /5
Mixed
0% positive
BlockTalk AI

LEGO Technic 42057 Ultralight Helicopter reviews are generally neutral, focusing on unboxing and build processes. While no strong opinions are expressed, the set receives an overall mixed score, indicating a lack of overwhelming positive or negative feedback within the analyzed videos.

Community Sentiment

Based on 7 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.0 /5
Mixed
0% positive
0
Positive
7
Mixed
0
Critical
BlockTalk AI Analysis

LEGO Technic 42057 Ultralight Helicopter reviews are generally neutral, focusing on unboxing and build processes. While no strong opinions are expressed, the set receives an overall mixed score, indicating a lack of overwhelming positive or negative feedback within the analyzed videos.

What the Community Says

3 YouTube reviews
BlockTalk AI Summary

Sariel's Bricks & Pets provides a detailed breakdown of the set, including unboxing, new pieces, and parts lists. Game of Bricks offers a speed build, showcasing the assembly process of the Ultralight Helicopter.

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Charts Inventory Statistics

78
Unique Parts
195
Total Pieces
0
Minifigures
Inventory Version: 1